A country with an age distribution graph in the shape of an inverted (upside down) triangle, (with would be experiencing declining future population growth.
The term "diminishing" refers to a graph with an inverted "pyramid" or triangle shape age structure, which shows a population that is getting smaller. The population will decrease since the generations in reproductive years have given birth to a generation that is smaller than themselves. With its broad top and noticeably narrower base, the inverted triangle shape demonstrates all of this. Therefore, option B marks the right choice.
Comparing differences between a region's male and female populations can be done using a population pyramid. Additionally, they display the total number of dependents (children and, occasionally, elderly people) as well as the demographic makeup of the population at any given time.
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the great oxygenation event was caused by a change in oxygen composition in the atmosphere, where the amount of oxygen:
Whenever bacteria that are present in the ocean began to generate through photosynthesis, this is known as the Great Oxygen consumption Revolution.
How would you define composition?Noun. the process of assembling or creating anything by mixing components or materials. the elements or constituent pieces of anything; constitution. something created in this way or the consequent state or characteristic; a mix. a work of writing, art, and performance.
What is a composition example?Heart and lungs make up the "Human" class. Nobody's parts survive that after death of a human object. A constrained form of aggregation is the composition. It is difficult for one object to operate absent the other in synthesis since it needs on it and incorporates a class.
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which phase of mitosis is characterized by each pair of sister chromatids moving to opposite sides of the cell?(1 point) responses prophase
Each pair of sister chromatids moves to the opposing sides of the cell during the mitotic phase known as telophase.
The results of prophase are reversed during telophase. The spindle disintegrates, the chromosomes start to decondense, and the nuclear membranes and nucleoli reform during telophase.The chromatids are moved to opposing ends of the cell until two sets of nuclei are created during the last stage of mitosis, known as telophase.Telophase is the final stage before to the onset of cytokinesis, or the separation of the cytoplasm into two halves.To learn more about prophase click here ,
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the one term the amoeba sisters don't mention in their discussion of other effects is? epigenetics multifactorial pleiotropic polygenic
They are referred to as polygenic characteristics. Each gene's allele has a negligible additive influence on the phenotype.
Is an amoeba a virus or bacteria?
Prokaryotes include bacteria. A eukaryote is an amoeba. A few organelles as well as genuine nuclei are absent. Several organelles & nuclei are present in these eukaryotes.
Can you treat amoeba?Antibiotics are used in the treatment of amebiasis to eradicate the infection. Whether or not you are experiencing symptoms will determine which antibiotics your doctor recommends. Even if you are symptom-free, you could still require one sort of antibiotic. You might need to use two separate antibiotics if you do exhibit symptoms.
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two competing theories about the source of oxygen in photosynthesis were tested in the 1940s-50s using radioactive isotopes. about what did the theories disagree?
Theories that were obtained while doing research using radioactive isotopes disagree as to whether the [tex]O_{2}[/tex] produced during photosynthesis came from [tex]CO_{2}[/tex] (carbon dioxide) or [tex]H_{2}O[/tex] (water).
Most scientists believed that plants produced [tex]O_{2}[/tex] by removing it from [tex]CO_{2}[/tex] in the 1800s. In the 1950s, researchers tested this theory by tracking the fate of oxygen atoms during photosynthesis using the heavy oxygen isotope [tex]^{18}O[/tex].
There was two experiments:
1. A plant exposed to [tex]^{18}O[/tex]-containing carbon dioxide produced no labeled oxygen gas ([tex]^{18}O[/tex] containing).
2. A plant given [tex]^{18}O[/tex] water produced tagged [tex]O_{2}[/tex].
These investigations demonstrated that the [tex]O_{2}[/tex] produced during photosynthesis is derived from [tex]H_{2}O[/tex] rather than [tex]CO_{2}[/tex].
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These goats are eating grass on a sunny day. What is happening to the carbon in the air around the living things on the mountain? is carbon moving into the air, moving out of the air, or both?.
(b) "Carbon is moving into the air and out of the air at the same time." is what is happening to the carbon in the air around the living things on the mountain.
The carbon cycle is nature's method of recycling carbon atoms, which repeatedly go from the atmosphere into Earth's living things and back into it. The majority of carbon is kept in rocks and sediments; the remainder is kept in the ocean, atmosphere, and living things.
The carbon cycle describes how an ecosystem's biotic and abiotic components exchange this element. For biological systems to survive in the natural world, the carbon cycle is essential. Therefore, the Carbon is simultaneously going into and out of the air (Option B).
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Question correction:
goats are eating grass on a sunny day. What is happening to the carbon in the air around the living things on the mountain? Is carbon moving into the air, moving out of the air, or both?
a. Carbon is only moving into the air; it is not moving out of the air.
b. Carbon is moving into the air and out of the air at the same time.
c. Carbon is not moving into the air; it is only moving out of the air.
d. With this information, there is no way to know for sure.
amino acids are the building blocks of multiple choice question. protein. carbohydrates. triglycerides.
Amino acids are responsible for the building blocks of protein.
So, the correct option is A.
The components of proteins are called amino acids. A protein is made up of multiple polypeptide chains, each of which is composed of amino acids. Amino acids are the basic units of proteins; they are small organic molecules with an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable element termed a side chain.
Two functional groups, an amino group, and a carboxyl group are present in amino acids. The amino acids work together to create a long protein chain called a polypeptide chain, which serves as the building block for proteins. Body protein as well as other vital nitrogen-containing substances like creatine and peptide must be synthesized using amino acids.
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if i want to donate bodily tissues and organs in the event of my death, what is the best thing to do to insure that outcome?
The easiest way to ensure that happens is to register my intentions into my state's first-person consent register.
Tissue donation is the process by which a dying person gives away pieces of their body (such as skin, heart valves, ligaments, bones, veins, corneas, etc.) to be used in transplants to treat different deformities, wounds, and other conditions.
The following human tissues which can be considered and utilized during tissue donation in several surgical procedures: nerves, tendons, heart valves, veins, skin, and musculoskeletal tissue.
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Antivirus software prevents infection by recording key attributes about your files and checking to see if they change over time in a process called?.
the ability to carry an electrical charge along the cell is called . also known as responsiveness, is a characteristic of all cells but more highly developed in muscle and nerve cells. muscles can pull bones closer to one another and increase the motility of some organs. this is due to the property of . skeletal muscles can stretch up to three times their contracted length. this is called . muscles can stretch and, when released, return to their original, shorter length. this property is referred to as .
Conductivity is the capacity of a cell to carry a electrical charge. sometimes referred to as responsiveness
What parts of the body are skeletal?The main structural component of your body is the skeletal system. It is made up of bones & connective tissue, such as ligaments, tendons, and cartilage. Other name for it is skeletal system.
What does "skeleton" mean?A typically rigid framework that serves as an organism's support system or layer of protection. Particularly: something stripped to its most basic form or constituent elements, such as the bony or just about cartilaginous framework that supports the soft tissues and safeguards the internal organs of the a vertebrate.
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As stated in the previous sentence, conductivity is the capacity of a cell to transfer an electrical current.
What do all the bones represent?
In the human body, there are five different kinds of bones: bone length: The majority of the bone fragments in the limbs are among them, which are primarily compacted calcium with little marrow. These bones typically aid in movement and weight bearing. Short bones, including the ankle and wrist bones, have only a thin covering of dense bone.
What are the bones' structures?
Bone Gross Anatomy. A long bone's diaphysis and epiphysis are its two primary halves. The flat, tubular shaft which it connects the proximal and the distal corners of the bone is known as the diaphysis. The medullary resides inside the diaphysis.
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Carbon is able to bond…
A. many elements.
B. only with non-metal elements.
C. only with CHONPS elements and no others.
A long string of codons for amino acids, uninterrupted by a stop codon is called?.
Answer:
open reading frame
Explanation:
DNA molecule converted to amino acids as stated and has no stop codons = open reading frame
What is a dog? Pleas help I need to know
Answer:
a quadrupedal mammal who is often called man's best friend
social monogamy is rare in mammals but common in birds. what difference is hypothesized to explain this observation?
Social monogamy is uncommon in mammals but prevalent in birds because it is often accompanied by parental care.
What are the three 3 types of monogamy?Various combinations of societal monogamy, physical monogamy, and genetic monogamous may exist. People do not always marry to maintain social monogamy. A culturally committed relationship is virtually always one that is married.
What is toxic monogamy?Toxic monogamy is defined as "monogamy as a cultural force [that] has been perceived and practised in ways that are toxic" by Hillary Berry in the article "Toxic Monogamy Culture." In the media, cultural conventions, and expectations of society, these concepts are frequently glorified or maintained.
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as cells are pushed from the deeper portion of the epidermis toward the surface, multiple choice question. a) they divide continually. b) their supply of nutrients improves. c) they die. d) they become dermal cells.
As cells are pushed from the deeper portion of the epidermis toward the surface Option C. They die.
Your epidermis is the outermost layer of skin in your frame. It protects your frame from damage, keeps your frame hydrated, produces new pores and skin cells and carries melanin, which determines the coloration of your pores and skin.
The dermis in the main consists of keratinocytes (proliferating basal and differentiated suprabasal), which include 90% of its cells, however additionally consists of melanocytes, Langerhans cells, Merkel cells, and inflammatory cells.
The dermis and its waxy cuticle provide a defensive barrier against mechanical harm, water loss, and contamination. Numerous changed epidermal cells alter transpiration, boom water absorption, and secrete materials.
Three primary populations of cells are living in the epidermis : 1)Keratinocytes,
2) Melanocytes,
3) Langerhans cells.
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A patient had symptoms that could be related to meningitis. The physician ordered a spinal tap for cerebrospinal fluid analysis. From which space a sample for analysis will be taken?.
Sample for analysis will be taken from two vertebrae in the lower spine for a spinal tap for cerebrospinal fluid analysis
The brain and spinal cord are surrounded by a clear, colorless, and watery fluid known as cerebrospinal fluid (CSF).central nervous system is made up of the brain and spinal cord. Everything you do, including your ability to move, breathe, think, and see, is controlled and coordinated by it.
brain and spinal cord are shielded from harm by the cerebrospinal fluid, which acts as a cushion. Additionally, the fluid aids in the proper functioning of your central nervous system by removing toxins from the brain.
A series of tests called a "CSF analysis" uses a sample of your cerebrospinal fluid to identify conditions that affect the central nervous system and diseases of the brain and spinal cord like Meningitis.
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Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to determine which block will increase its temperature the most.
Substance Specific Heat Capacity (cal/g°C)
iron 0. 11
copper 0. 09
silver 0. 06
lead 0. 03
A. Iron
B. Copper
C. Silver
D. Lead
The change in temperature will be highest for lead metal. So option (D) is the correct answer.
To calculate the heat absorbed or released
q=mC×ΔT
where,
q = heat absorbed = 200.0 J
m = mass of the substance
C = specific heat of substance
ΔT = change in temperature
Amount of heat is absorbed and the mass is all the same. Therefore, the temperature change depends only on the specific heat.
ΔT = q/ mC
From the above we can see that the temperature change is inversely proportional to the specific heat. The higher the specific heat, the smaller the temperature change.
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Why is the car red? *
a. It absorbs red light.
b. It reflects red light.
Answer:
It's a and b tho
Explanation:
The car is red because, it absorbs and reflects red light
swelling; fluid leaks out into tissue spaces: a.edema b.dyscrasia c.ecchymoses d.autologous transfusion e.petechiae
Edema occurs when fluid leaks into tissue spaces during swelling.
What is edema?
Edema, as mentioned, is the swelling that is caused due to excess fluid in our body’s tissues. It may effect any part of our body, but most commonly is noticed in hands, feet, ankle, etc. Your skin can be stretched due to edema, and the swelling can increase, if not treated on time and cause serious health issues.
There are many causes of edema which include pregnancy, medications, infections and even excess sodium. It is also caused due to congestive heart failure or a block in leg vein.
Therefore, edema is nothing but swelling caused due to excess accumulation of fluid in tissues.
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explain what biological process are occurring for the specific changes in co2 observed (for both light and dark conditions). elaborate on this by including an explanation for the reactants and products (internal processes)?
The biological process responsible for the precise changes in CO2 that have been seen is photosynthesis (for both light and dark conditions). Carbon dioxide and water are the reactants of photosynthesis, and light energy transforms them into glucose and oxygen (the products).
Plants ingest water (H2O) and carbon dioxide (CO2) during photosynthesis from the soil and atmosphere. In contrast to carbon dioxide, which is reduced within the plant cell and gains electrons, water is oxidized within the partition of the plant. Due to this, carbon dioxide and water are converted into glucose and oxygen, respectively. Once the oxygen has been returned to the atmosphere, the plant stores energy within glucose molecules.
Accordingly, we can conclude that the biological process is responsible for the specific changes in CO2 that have been observed in photosynthesis. The reactants, carbon dioxide and water, are changed into glucose and oxygen by light energy during photosynthesis.
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what carbon source(s) can yeast cells metabolize under anaerobic conditions to make atp? glucose lactic acid pyruvate either ethanol or lactic acid ethanol
Under anaerobic circumstances, yeast cells may metabolize glucose to produce atp.
Even under aerobic settings, Saccharomyces cerevisiae yeast prefers glucose as a carbon source, and ferment is the main mechanism for energy generation. Anaerobic processes in yeast produce alcohol, whereas they produce lactic acid in your muscles. An anaerobic process called fermentation allows glucose to release energy even in the absence of oxygen. In addition to yeast cells, bacteria and animal muscle cells also undergo some sort of fermentation. When exposed to osmotic stress and ethanol as a carbon source, yeast cells accumulate dihydrate rather than glycerol. Two distinct wild type cultures, W303-1A and BY4741, were cultivated in shake-flasks throughout time to observe internal glycerol and trehalose buildup.
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the physical symptoms of cholera present only after a specific series of events has taken place. what is the most likely sequence of events in the pathogenesis of v. cholera
Cholera spreads via the fecal-oral pathway. The most likely progression of events in the pathogenesis of V. cholera:
The oral-fecal route is how cholera is spread. Since they are susceptible to acid, most vibrio's pass away in the stomach. Virulent organisms that survive may stick to and colonize the small intestine, where they release the strong cholera enterotoxin (CT, also known as "choleragen") that causes cholera. This toxin attaches to the intestinal epithelial cells' plasma membrane and releases an enzyme-active component that increases the generation of cyclic adenosine 51-monophosphate (cAMP). Electrolytes and water are secreted in large quantities into the intestinal lumen as a result of the elevated intracellular cAMP level and cause diarrhea.
1 V. cholerae is ingested via contaminated water.
2 V. cholerae reaches the intestine after surviving transit through the stomach.
3 Cholerae cling to pili.
4 Cholera toxin is produced by V. cholerae.
5 A profuse, watery diarrhea is caused by the destruction of the host intestinal cells.
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Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called ____.
Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called salinization.
Soil salinity is the amount of salt in the soil. The process of increasing the salt content is called salinization. Salt is a naturally occurring compound found in soil and water. Salinization can be caused by natural processes such as mineral leaching or the withdrawal of salt deposits from the oceans. Salinization can also occur due to human activities such as irrigation.
Causes of soil salinity
The accumulation of too much salt, especially on the surface, is caused by the movement of salt through the capillary process from the part in the soil which is filled with liquid with dissolved salts, to the surface. The evaporation process draws liquid from the soil to the surface, and the evaporated liquid leaves salt on the soil surface. Concentrated salt can also come from chemical fertilizers.
Salinization is a process caused by:
- high salt content in water
- landscape features that cause salt to move through the movement of groundwater
- climatic factors that cause salt accumulation
- human activities such as logging, irrigation, aquaculture, and salting to melt snow and ice.
- The high salt content causes soil degradation and vegetation is unable to grow on it.
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Explain the relationship of yolks size to the development rate of the organism inside the egg
There is direct relationship of yolks size to the development rate of the organism inside the egg because large size of yolk leads to the more speed of development rate.
What role does the yolk play in chick development?The main font of nutrients for chicken embryo development is the yolk, which gives more than 90% of the nutrients and is dynamically consumed to supply essential elements for embryonic organ growth and tissue emergence. The yolk is the source of food for the embryo and takes all the fat in the egg. The small white spot on the yolk is called the germinal disc. The chicken yolk sac tissue supplies the functions of the intestine, liver, bone marrow, and thyroid, while the organs of the embryo evolve and mature.
So we can conclude that the yolk sac supplies food material to the embryo. The amnion, by enclosing the embryo provides protection.
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vince stains dna with a dna-binding dye. what suborganellar structures will become visible after staining?
The suborganellar structure that will become visible after staining is nucleoid.
In the field of biology, nucleoid can be described as a region inside the prokaryotic cell in which the DNA is present.
The prokaryotes do not have a membrane-bound nucleus like the eukaryotes. Hence, the region where the genetic material of the prokaryotes is present is an irregular shaper structure referred to as the nucleoid.
When DNA is stained with a DNA-binding dye, the suborganellar structure that will become visible will be the nucleoid as it is the region where the DNA is present.
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why does the glucose concentration in the urine within the urinary bladder become zero in these experiments?
More glucose transporters lead to greater absorption of glucose.
What changed as the number of glucose carriers rose in terms of the amount of glucose found in the urine.a person's heart rate. For further information, Investigating the Impact of Glucose Carrier Proteins on Glucose Reabsorption. As the number of glucose carriers increased. The level of glucose was reduced.
What is the name of the glucose loss in the urine?When blood sugar (also known as blood glucose) enters the urine, you get glycosuria. Any liquid that travels through your kidneys will normally cause blood sugar to be absorbed back into your blood vessels. When you have glycosuria, your kidneys might not be able to remove enough blood sugar from your urine.
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which statement best describes the goal of medications used to treat myasthenia gravis? a. to inhibit ca2 release from the sarcoplasmic reticulum b. to inhibit the function of acetylcholinesterase c. to decrease the number of synaptic vesicles d. to increase the number of acetylcholine receptors e. to promote multiple motor unit summation
To increase the number of acetylcholine receptors best describes the goal of medications used to treat myasthenia gravis.
Myasthenia gravis is a persistent autoimmune, neuromuscular disorder that reasons weak spot withinside the skeletal muscular tissues that worsens after durations of interest and improves after durations of rest. These muscular tissues are chargeable for features concerning respiration and shifting components of the body, such as the palms and legs.
How critical is myasthenia gravis?
The maximum critical headaches of myasthenia gravis is a myasthenia crisis. This is a circumstance of excessive muscle weak spot, especially of the diaphragm and chest muscular tissues that assist respiration. Breathing can also additionally come to be shallow or ineffective.
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Please see the screenshot below.
Thanks :)
Answer: option a
Explanation: humidity is moisture in the air the hotter the air is the hotter the moisture in the air will be which means it willbe hotter
Why is it necessary to complete doze of vaccine
Answer:
to get longer-lasting protection
Explanation:
Answer:
HOPE THIS HELPS
Explanation:
Because Receiving only one dose is not as useful as receiving the full dose, getting both doses of these vaccines maximizes your ability to receive full immunity from the vaccine. Receiving only one dose wouldn't provide you with the full protection and does not give you the full effectiveness of the vaccine.
thalassemia is a very serious disorder that affects hemoglobin. it is caused by an autosomal recessive gene. if both a woman and a man are carriers, then what is the chance that they will have a child with the disease?
If both a woman and a man are carriers, then chance that child will have a disease is 25 %.
Thalassemia is an inherited blood disorder caused when the body doesn't make enough of a protein. its symptoms may includes weakness, pale and yellow skin , abdominal swelling and dark urine .
Thalassemia can me mild or chronic . mild from doesn't need any care while chronic form need blood transfusion or stem cell transplant . Blood transfusion process involves receiving injections of red blood cells through a vein to restore normal levels. only successful treatment of thalassemia is is a bone marrow and stem cell transplant from a compatible donor.
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How do personal choices and nature affect
human health?
Answer:
I think the answer is Exposure to nature not only makes you feel better emotionally, but it also contributes to your physical well-being, reducing blood pressure, heart rate, muscle tension, and the production of stress hormones.
Explanation:
I hope this helps