In animals, detection is done by mechanoreceptors on hair cells. In plants, this mechanism seems to involve calcium signaling.
Briefing:In animals, the statoliths are extracellular. In contrast, the statoliths of plants are found in an intracellular organelle. Their location detection methods are also different. In animals, detection is done by mechanoreceptors on hair cells. In plants, this mechanism seems to involve calcium signaling.
What is the statoliths in plants?A group of membrane-bound starch granules (see amyloplast) in plant cells is thought to act as a gravity sensor. Starch stators are found in root tip cells and tissues near the vascular bundle of shoots; Under the action of gravity, they sink to the bottom of the cell.
What is the function of statoliths?The statoliths are thought to regulate the transport of the growth hormone, auxin, by acting on specific auxin transporters, the PIN proteins.
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The numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces are called?
The numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces are called fimbriae.
In order words, fimbriae simply refers to those numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces. Please get this cleared stored into your cerebrum that fimbriae are also known or called pili
Whare are bacteria cells?Bacteria cells are those cells which are microscopic ( cells which cannot be seen with the ordinary eye but can be seen only with microscope) and characterized by the presence of just only one cell. This means that bacteria cells are unicellular organisms.
Bacteria cells reproduce a- s- e- xually They are either saprophytes or parasites.Saprophytes are organisms which live and feed on dead decaying plants and animals.
Parasites are organisms which live and feed on another organisms causing harm to them.
So therefore, the numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces are called fimbriae.
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Why are there Inany different cell types in the human body if they all contain identical DNA?
Basically, although all cells in the human body have the same DNA, they have different genes in that DNA turned on or off to change what proteins are produced, and thus that cell's structure and function
It is evident that no two cells are the same. For instance, it is clear that the cells in our eyes and heart function extremely differently from one another. Our skin and liver cells share the same characteristics. the cells in our brain and muscles. Or any of the over 300 other cell types.
Because they employ the same set of genes in various ways, these cells differ from one another. Therefore, despite the fact that each of our cells has roughly 20,000 identical genes, each cell may choose which genes to "turn on" and which to keep "shut off.
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A protective device to provide safe breathing air to a user in a hostile or dangerous atmosphere is known as?
A protective device to provide safe breathing air to a user in a hostile or dangerous atmosphere is known as respiratory protection.
Respiratory protection- A specific kind of Personal Protective Equipment (PPE) called Respiratory Protective Equipment (RPE) is intended to guard the wearer against breathing in harmful compounds found in the air at work.
Atmosphere- The covering of air that surrounds the Earth is called the atmosphere, and it mostly consists of nitrogen and oxygen. There are traces of other gases in the atmosphere as well, including carbon dioxide, neon, helium, etc.
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12 a fox locates its prey, usually a mouse, under the snow by slight sounds the rodents make. the fox then leaps straight into the air and burrows its nose into the snow to catch its next meal. in your calculations ignore the effects of air resistance.
Air resistance represents the forces that are in opposition to the relative motion of an object as it hands through the air. These drag forces act opposing to the oncoming flow velocity, thus delaying the object down.
What is Air resistance? Air resistance is a force created by air. When an object moves through the air, the force acts in the opposite direction. A lorry with a flat front will have high air resistance, whereas a sports car with a streamlined shape will have lower air resistance, allowing the car to travel faster. Air resistance, also known as drag, is a type of friction (a force that opposes motion) that occurs between an object and air. It is the force that an object feels as it moves through the air. The two fixed forces of nature that move on any object on Earth are air resistance and gravity.How to calculate dismiss the effects of air resistance?Given: h = 75cm = 0.75 m
Find: vi, t
The equations we can use
v = vi - 9.81 t
y = vi t - 4.905 t²
There's an additional piece of knowledge that we know. At the peak of the jump, when the fox is at height h, it has zero velocity:
0 = vi - 9.81 tp 0.75 = vi tp - 4.905 tp²
We are now left with two equations and two unknowns. We can solve for vi, the initial velocity.
vi = 9.81 tp
0.75 = 9.81 tp² - 4.905 tp²
0.75 = 4.905 tp²
tp = 0.391 seconds
vi = 9.81 tp = 3.84 m/s
That's one answer. Using the second equation :
y = vi t - 4.905 t²
0 = 3.84 t - 4.905 t²
0 = t (3.84 - 4.905 t)
t = 0, 0.783 s
So the fox leaves the snow at 3.84 m/s and disburses 0.783 seconds in the air.
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Which of the following is not an observation or inference on which Darwin's theory of natural selection is based? a. Poorly adapted individuals never produce offspring. b. There is heritable variation among individuals. c. Because of overproduction of offspring, there is competition for limited resources. d. A population can become adapted to its environment over time.
Poorly adapted individuals never produce offspring is not an observation or interference on which Darwin's theory of natural selection is based.
What conclusions about natural selection did Darwin draw from his observations?
Observations made by Darwin that inspired his theory of natural selection include: Overproduction: All species will have more children than they can conceive and raise to adulthood. Variation - Even within a species, there are differences. A trait will be handed down through adaptation if it makes a species more suited to its surroundings.
So, Option A will be correct one.
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Among all nucleated body cells, only B and T cells lose DNA during their development and maturation. In a short essay (100-150 words), discuss the relationship between this loss and DNA as heritable biological information, focusing on similarities between cellular and organismal generations.
Cells go through a transitional phase from stem cells to fully functional immune cells. They pass through a number of transitional and specialization stages, making decisions on the routes that will lead to various blood cell kinds.
What is B cell generation?The generation and maturation of B cells take place in the bone marrow. When lymphoid stem cells differentiate into progenitor B cells, the origin of B cells is established.
In the bone marrow, stromal cells interact to create precursor B cells. The development of pro B cells also depends on the cytokine IL-7's effects.
Concentrating on the parallels between cellular and organismal generations, examine the relationship between this loss and DNA as heritable biological information?B and T lymphocytes are both derived from the same stem cells. Stem cells go through a variety of transitional stages to determine their future (getting converted in B or T cell). Once they've made a decision, they don't change it.
It is well known that DNA carries all of the information required for continuing function and that it is heritable between species. Throughout cell development, B and T cells' DNA experiences a number of rearrangements. DNA that is similar to other DNA no longer exists. For instance, the TCR (T cell receptor) gene rearranges and recombines during the formation of B cells.
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energy given to proteins in the phospholipid layer is required for _______________
Answer:
Trans-membrane proteins.
Explanation:
hope this helps :)(:
Which is more important in gauging the intelligence of humans versus other animals?
The more important feature in gauging the intelligence of humans versus other animals is: (c) the ratio of brain weight to body weight.
What is a brain?A brain can be defined as an organ of soft-nerve tissue that is found within the skull of vertebrates (humans), and it's mainly responsible for the coordination of nervous activities, sensation, and intelligence (intellect) in living organisms.
The parts of the brain.Generally, some of the parts of the brain of a living organism (human) include the following:
HypothalamusOptic nerveThe nucleus accumbensCerebellumThe frontal lobeThe brain stemGenerally, human beings are smarter than some animals with even much bigger body weight, brains (brain parts) such as elephants, whales, etc. In this context, we can reasonably and logically deduce that the more important feature in gauging the intelligence of humans versus other animals is the ratio of brain weight to body weight.
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Complete Question:
Which is more important in gauging the intelligence of humans versus other animals?
(a) the size of the cerebral cortex.
(b) the overall size of the entire brain.
(c) the ratio of brain weight to body weight.
(d) the overall weight of the entire brain.
A client is admitted to the health care facility with active tuberculosis (tb). what intervention should the nurse include in the client's care plan?
As well trained nurse, the intervention which should be included in the client's care plan who is admitted to the health care facility with active tuberculosis (tb) is:
Putting on an individually fitted mask when entering the client's room.
Option c is the correct answer.
Putting on this fitted mask when entering the client's room is very important healthcare measures in order to prevent the spread of the pathogen of the tuberculosis.
What tuberculosis healthcare?Tuberculosis healthcare are the health care measures given to patient with tuberculosis. There are also measures which must be observed by the healthcare provider
So therefore, the nursing intervention which should be included in the client's care plan who is admitted to the health care facility with active tuberculosis (tb) is:
Putting on an individually fitted mask when entering the client's room.
Complete question:
A client is admitted to the health care facility with active tuberculosis (TB). The nurse should include which intervention in the care plan?
a) Keeping the door to the client's room open to observe the client
b) Instructing the client to wear a mask at all times
c) Putting on an individually fitted mask when entering the client's room
d) Wearing a gown and gloves when providing direct care
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The genome of prokaryotes is contained within the cell's chromosome and plasmids.
a. true
b. false
The statement 'the genome of prokaryotes is contained within the cell's chromosome and plasmids' is true.
In the field of science, prokaryotes can be described as organisms that lack a well-defined nucleus. Other membrane-bound organelles are also absent in a prokaryotic cell.
The bacterial chromosome contains genetic material as a single molecule referred to as a chromosome. This genetic material is present inside the nucleoid region. Prokaryotes have extrachromosomal rings which are referred to as plasmids. The plasmids of a prokaryote are present distinctively from the chromosome of the prokaryote.
The plasmid of prokaryotes has the ability to replicate independently. It is due to the characteristics of a plasmid that it is being used widely today as a vector in recombinant DNA technology.
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The process of obtaining information from an opposing party prior to going to trial is known as?
The process of obtaining information from an opposing party prior to going to trial is known as discovery.
What is discovery?Discovery in legal perspective is a pre-trial phase in which evidence is gathered.
During legal investigation, the suspect is interrogated.
Discovery is the pre-trial phase in a lawsuit in which each party investigates the facts of a case, through the rules of civil procedure, by obtaining evidence from the opposing party and others by means of discovery devices.
Therefore, it can be said that the process of obtaining information from an opposing party prior to going to trial is known as discovery.
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A neuron at rest maintains a _____________ charge due to the presence of a high number of _________ charged ions inside the neuron.
Answer: A neuron at rest maintains a Negative charge due to the presence of a high number of Negatively charged ions inside the neuron.
Explanation:
negative; negatively
phenylketonuria (pku) is a disease that results from a recessive gene. two normal parents produce a child with pku.
The probability that a sperm from the father will contain the PKU allele is known to be half.
The probability that an egg from the mother will contain the PKU allele is said to be half.If their next child is unaffected. the probability that this child is a carrier is known to be 2/3 chances.What is the probability that a parent with phenylketonuria will have a child that carries the gene for the trait?If there is a case where both of a child's parents are known to be carriers, there is said to be a 25% chance that both of the parent will pass on the normal PAH gene and as such 25 + 25 = 50.
Therefore, this affirm the fact that probability that a sperm from the father will contain the PKU allele is known to be half as well as the probability that an egg from the mother will contain the PKU allele is said to be half.
Since both parents are carriers of the bad PKU gene, their child will be tend to be born with the PKU disease if they get one copy of the faulty gene from each parent.
Therefore, The probability that a sperm from the father will contain the PKU allele is known to be half.
The probability that an egg from the mother will contain the PKU allele is said to be half.If their next child is unaffected. the probability that this child is a carrier is known to be 2/3 chances.Learn more about phenylketonuria from
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See full question below
Phenylketonuria (PKU) is a disease that results from a recessive gene. Affected persons are unable to metabolize the amino acid phenylalanine. Two unaffected parents produce a child affected with PKU.
a. What is the probability that a sperm from the father will contain the PKU allele?
b. What is the probability that an egg from the mother will contain the PKU allele?
c. Their second child is unaffected. What is the probability that this child is a carrier?
Suppose that a snake handler bitten by a particular venomous snake species was treated with antivenin. Why might the same treatment for a second such bite have different results?
A strong immunological reaction could be brought on by a subsequent injection if the handler built up immunity to the antivenin's protein components. Additionally, the immune system of the handler may now generate antibodies that could counteract the venom.
What exactly are antibodies?When your body comes into contact with an undesirable chemical, antibodies, proteins, protect you. Your immune system produces antibodies that bind to these foreign substances and expel them from your body. An alternative name for an antibody is immunoglobulin.
What types of antibodies are there?The constant area and activity of the various kinds of antibodies vary. For instance, IgA is located in the mucous membranes lining the respiratory and gastrointestinal systems, whereas IgG, the most prevalent antibody, is primarily present in the blood and tissue fluids.
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Skin color, fur color, and height are examples of which inheritance pattern?
Mendelian inheritance
incomplete dominance
codominance
polygenic inheritance
Answer:
Polygenic traits have many possible phenotypes (physical characteristics) that are determined by interactions among several alleles. Examples of polygenic inheritance in humans include traits such as skin color, eye color, hair color, body shape, height, and weight.
If Miller had increased the concentration of NH₃ in his experiment, how might the relative amounts of the products HCN and CH₂O have differed?
There would be more of HCN since there would be higher concentration of the reactant gas that was causes hydrogen.
The Miller-Urey experiment was the simulation of conditions on the early Earth testing the idea that how life, or more specifically the organic molecules, could have been formed by nothing the more than simple the chemical reactions. the Miller's success the validated the theoretical ideas of A.I. The primary significance of the Miller-Urey experiment was that the experiment was significantly proved that origin of the life on the planet was Earth had occurred because of the chemical conditions or actually through the Abiogenesis. During the investigation, the reactants that were used by were water, methane, the ammonia, and by the hydrogen.
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Where are the soft tissue structures that can be used to indicate joint effusion located on the ulnar-deviated pa axial wrist projection?
Laterally, the soft tissue structures that can be used to indicate joint effusion are located on the ulnar-deviated PA axial wrist projection. This projection allows for the visualization of the soft tissue structures on the dorsal and volar surfaces of the wrist. The ulnar deviation of the hand during this projection places the soft tissue structures in a more lateral position, allowing for better visualization.
There are a few different structures that can be used to indicate joint effusion on an ulnar-deviated PA axial wrist projection. The most obvious one is the soft tissue shadow, which will be larger than normal if there is excess fluid in the joint. Another structure that can be used is the ulnar styloid, which will be more prominent than usual if there is effusion present. Finally, the articular margins may be less well defined than usual if there is effusion present.
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Each molecule of ammonia (nh3) is made up of one nitrogen atom and three hydrogen atoms. which term best describes ammonia?(1 point) compound compound heterogeneous mixture heterogeneous mixture homogeneous mixture homogeneous mixture element element
Each molecule of ammonia (NH₃) is made up of one nitrogen atom and three hydrogen atoms. The term that best describes ammonia is: compound.
Ammonia is an inorganic molecule with a sharp pungent smell. It occurs in the gaseous state. However, it can be easily liquified when pressure is exerted. It is soluble in water. The molecule can be dangerous when comes to skin contact as it can cause blisters and burns.
Compound is a substance that is formed by the combination of two or more elements combined together in certain ratios. These elements join together by the covalent bonds due to the sharing of electrons between them.
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Explain the difference between tools that enhance senses and tools that are used for measurements.
Microscope- A microscope is a device that enlarges an image of a small object to expose details that the unassisted eye cannot perceive. The optical microscope, which employs light waves focused through lenses, is the most used type of microscope.
Lenses- A disk of glass or another transparent material used to concentrate light from an item to create a picture of it.
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what are the issues associated with the 4th stages of demographic transition?
The issues which are associated with the 4th stages of demographic transition is that the low birth rates associated with it may lead to a shrinking population which is a threat to many organizations who rely on population growth.
What is Population growth?This is defined as the increase in the number of people in an area over a given period of time as a result of different factors.
The 4th stage of demographic transition is characterized by low birth rates and low death rates thereby resulting in a low growth rate. Countries who belong to this category are those who have a strong economy and highly educated. The low population is the issue associated with it as there may be a deficiency in manpower needed in this area.
They don't produce children at a high rate unlike in countries where they have a weak economy and a high poverty rate.
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heart-shaped bilateral medullary pyramidal infarction as a pathognomonic finding of anterior spinal artery occlusion
Unilateral anterior spinal artery (ASA) occlusion resulting in bilateral medullary pyramidal (BMP) infarction is a periodic and devastating stroke subtype. We present two patients emphasizing the diagnostic and clinical challenges of BMP infarction.
What happens if the anterior spinal artery is injured?
Anterior spinal artery syndrome (ASA) causes motor palsy and dissociated sensory loss below the level of the lesion, as well as bladder dysfunction. Breathing problems may occur when the cervical spine is involved.
What exactly is an anterior spinal artery?The anterior spinal artery is the primary blood supply for the spinal cord. It descends from the foramen magnum level along the anterior surface of the spinal cord.As it continues to descend, the artery establishes contact with other components that enter the spinal canal via the intervertebral foramen. A periodic and lethal stroke subtype is unilateral anterior spinal artery (ASA) occlusion resulting in bilateral medullary pyramidal (BMP) infarction. We present two patients who highlight the diagnostic and clinical difficulties of BMP infarction.To learn more about spinal code, refer to:
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the brown-headed cowbird puts its eggs in other birds’ nests. this is an example of a reflex. the brown-headed cowbird puts its eggs in other birds’ nests. this is an example of a reflex. true false
The eggs of the brown-headed cowbird are laid in other birds' nests. This serves as an example of a modal action pattern.
A MAP (Modal Action Pattern) is precisely what?
A series of behaviors that are triggered by a certain stimulus and share a genetic similarity is known as a modal action pattern. Modal action patterns are also known as fixed action patterns (FAP). According to Phung, some researchers are abandoning the term "fixed action pattern" in favor of the more flexible "modal action pattern" in order to emphasize the fact that all activities, even the most stereotyped, species-specific patterns of behavior, nonetheless display some degree of flexibility.
Examples of MAPs and FAPs include many species' mating rituals, particular aggressive behaviors, some dog breeds' pointing and herding impulses, the building of spider webs, and the act of a young bird biting an adult bird's beak to induce the older bird to vomit food. A MAP that exemplifies how adaptable these kinds of behaviors are is the activity of a bird building a nest. Birds are able to build nests "intuitively." Most people aren't aware, though, of how adaptive this behavior still is and how a bird's ability to build a nest improves through time and with practice.
So, a modal action pattern is the appropriate response.
Become familiar with the brown-headed cowbird.
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the seminiferous tubules empty into the tubuli recti, which then empty into a tubular network called the before exiting the testes.
The seminiferous tubules empty into the tubuli recti, which then empty into a tubular network called the rete testis before exiting the testes.
Seminiferous tubules- The testes include tubules called seminiferous tubules, which are typically coiled. They serve as the location for the production of spermatozoa, or male gametes. Sertoli cells, sustentacular columnar cells, and spermatogenic cells, which give birth to sperm cells, make up the epithelial lining of the seminiferous tubule.
Rete testis- At the cranial pole of the testis, right under the tunica albuginea, is a dilated intratesticular structure known as the rete testis. Additionally, it is close to the testicular artery, which supplies the testis with blood.
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In step 4 of glycolysis, an aldolase enzyme splits one 6-carbon fructose-1,6-bisphosphate molecule into two 3-carbon molecules. What type of reaction is this?.
When an aldolase enzyme splits one 6-carbon fructose-1,6-bisphosphate molecule into two 3-carbon molecules, this type of reaction is decomposition.
Decomposition is reaction where one substance is broken down into two or more simpler substances.
From one chemical compound (in this example fructose-1,6-bisphosphate) two new substances (two 3-carbon molecules) are produced (see the picture below).
Glycolysis is metabolic 10 steps process in which sugar glucose (six carbon atoms) is break into two molecules of pyruvate (three carbon atoms). In this process, energy is released. Also, ATP, NADH, and water are products of this metabolic pathway.
During the glycolysis carbon atoms are oxidized.
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Explain how microscopic and macroscopic anchoring of muscle filaments enables you to bend your elbow.
The development and dissolution of cross-bridges connecting myosin head binding actin ratchet the thin and the thick filaments past one another in response to nervous system motor output. The muscle fibers get shorter as a result of this sliding movement since the filaments are anchored.
Briefing:Muscle contractions attached to a hard endoskeleton are necessary for human body movements. Tendons connect muscles to bones, which are made of fibers that are built up from the sarcomere, a basic structural component. Within the sarcomere, the thin and the thick filaments have different places of attachment. Myosin head and actin cross-bridges develop and break in response to nervous system motor output, ratcheting the thin and the thick filaments past one another. This sliding motion shortens individual muscle fibers because filaments are attached..
Additionally, muscular contraction causes the boy's bones to shift in relation to one another as the fibers themselves are a component of the muscles and are related to bones at either end. Thus, muscle function—such as the bending of either an elbow by contracting the biceps—is made possible by the structural anchoring between muscles and filaments.
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In human populations of northern European origin, the disorder called hemochromatosis causes excess iron uptake from food and affects one in 200 adults. Among adults, men are ten times as likely as women to suffer from iron overload. Taking into account the existence of a menstrual cycle in humans, devise a hypothesis that explains this difference.
Men do not eliminate iron as frequently as women do, resulting in a high rate of iron overload.
As a result, the menstrual cycle in women allows them to lose iron through bleeding caused by uterine lining shredding, lowering their risks of getting iron excess.
What causes hemochromatosis?Haemochromatosis is caused by a defective gene that is handed down from parents to children. The majority of instances are caused by a mutation in the HFE gene, which reduces your capacity to absorb iron from diet. Normally, your body maintains a constant iron level.
Hereditary hemochromatosis is caused by a gene mutation that regulates the amount of iron your body receives from diet.
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(a) Referring to Figure 56.28 , estimate the average CO₂ concentration in 1975 and in 2012.
The amount of carbon dioxide within the ecosystem has been growing over the past century because of the combustion of fossil fuels.
Carbon dioxide is a greenhouse gas that plays a tremendous position in weather. The growth in carbon dioxide is correlated with modifications in weather that have weather scientists concerned. The graph proven here illustrates the increase in atmospheric carbon dioxide from 1860 to the existing.
Atmospheric carbon dioxide awareness from 1850 to give.
a. Via how lots did the level of carbon dioxide boom between 1880 and the modern-day which causes global warming.
b. What's the percentage boom within the level of carbon dioxide between 1880 and the cutting-edge.
c. Assuming that the overall extent of air inside the atmosphere round Earth is five.
d. Decide the proportion average yearly growth in atmospheric CO₂ from 1960 to the cutting-edge.
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Managing human consumption of natural resources so that these resources are not exhausted is called _____. multiple choice question. sustainability
Managing human consumption of natural resources so that these resources are not exhausted is called sustainability.
What is sustainability?Our natural environment influences everything we need for life and well-being, either directly or indirectly. Sustainability establishes and maintains the conditions necessary for humans and nature to coexist in a way that allows for the satisfaction of the social, economic, and other needs of both the present and the future generations. Sustainability encompasses more than just energy efficiency and renewable sources. Understanding the relationships between the economy, society, and the environment is necessary to achieve true sustainability. We must work to develop a mindset of sustainability that permeates all facets of our daily life in the local, national, and global spheres.
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An element was missing from the elephant diet to make collagen . Since the elephant's diet consists only of plant material , suggest a source for the elephant to obtain the missing element and make collagen (or any protein
The elephant then needs a supplement of proteins and vitamins in order to be able to make the collagen.
What do you need to make collagen?The term collagen refers to a type of protein that is produced by the body. We know that the body is capable of making proteins when the required materials to make the protein are available in the body.
In this case, the elephant mostly eats plant material which consists of fiber and cellulose. These source would not give the elephant what it needs for the synthesis of collagen or any proteins.
The elephant then needs a supplement of proteins and vitamins in order to be able to make the collagen.
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What is a radioactive isotope?
OA) an isotope with an electric charge
OB) an atom whose nucleus is unstable and emits particles and energy
OC) an ion with a differing number of neutrons
OD) an element that emits radiowaves
B. An atom whose nucleus is unstable and emits particles and and energy. This is a Radioactive isotope.
The atomic nuclei of constituent atoms of the same element include the same number of protons but different numbers of neutrons. Radio isotopes are an element's radioactive isotopes. They can alternatively be described as atoms with an excess of energy in their nucleus or atoms with an unstable ratio of neutrons to protons. A radioisotope's unstable nucleus can form either spontaneously or as a result of a deliberate alteration of the atom. Radioisotope production can occur using either a cyclotron or a nuclear reactor. Molybdenum-99, which has a high neutron content, can be produced most effectively in nuclear reactors, whereas fluorine-18, which has a high proton content, can be produced most effectively in cyclotrons. Uranium is the most well-known illustration of a radioisotope that is found naturally. Uranium-238 constitutes all naturally occurring uranium with the exception of 0.7%.
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