Scientists are studying how the construction of a farm affects the blood diversity of insects in a forest before the Farm was constructed 186 insect species were present the scientist find out that after the farmers constructed the number of insect species decreased By 4% per month. Based on this trend which function could be used to calculate how many months, f(n) it Will take for the number of insect species to reach the value of N?
Answer:
The function [tex]f(n)=log_{0.96}(\frac{n}{186})[/tex]
Explanation:
Wherever we are studying logarithmic decrease or increase, we can construct our logarithmic function following the next recipe :
[tex]f(n)=log_{x}(\frac{n}{y})[/tex] (I)
Where [tex]''n''[/tex] is the value that we want to obtain (following a logarithmic decrease or increase).
Where [tex]''f(n)''[/tex] is the time needed to obtain that variation.
Where [tex]''x''[/tex] is the parameter related to the percentage decrease or increase
And where [tex]''y''[/tex] is known as the original population.
Now let's use the question to learn how to use the expression (I) :
In order to find the parameter [tex]''x''[/tex] we need to know how porcentual the population changes. We know that the number of insect species decrease by 4 % per month.
Therefore, for the initial month we will have the 100 % of the number of insect species. For the first month we will have a decrease of 4 % which can be written as the 96 % of the original population.
We write 100 % - 4 % = 96 % ⇔ [tex]1-0.04=0.96[/tex]
That's how we obtain the parameter [tex]x[/tex]. In this case we subtract 0.04 to the original population 1 because we have a decrease. Otherwise we would have added if we had had an increase. The number 0.96 represents that month by month we obtain the 96 % from the previous month. The value from the parameter is [tex]x=0.96[/tex]
Now the original population of insect species is [tex]186[/tex]. Therefore the value for [tex]y[/tex] is [tex]y=186[/tex]. Using the values obtained in the expression (i) we have :
[tex]f(n)=log_{0.96}(\frac{n}{186})[/tex]
For example,
We have [tex]186[/tex] number of insect species at the time origin. A decrease of 4 % can be calculated as
[tex](186)(0.96)=178.56[/tex] which is the value expected for the first month. Now if we use this value in the expression (I) :
[tex]n=178.56[/tex] ⇒ [tex]f(178.56)=log_{0.96}(\frac{178.56}{186})=log_{0.96}(0.96)=1[/tex] ⇒
[tex]f(178.56)=1[/tex]
This means that to obtain 178.56 number of insect species we need to wait one month to achieve this value. Which fits with the problem data.
Answer:
f(n)=log0.96(n/186)
Explanation:
What water property allows water molecules to bond together?
Answer:
Water has an amazing ability to adhere (stick) to itself and to other substances. The property of cohesion describes the ability of water molecules to be attracted to other water molecules, which allows water to be a "sticky" liquid.
Which of these factors may affect a person's blood alcohol concentration?
gender
race
blood type
O age
Old age and gender affect a person's blood alcohol concentration.
What BAC means?BAC refers to the percent of alcohol in a person's bloodstream.
What is BAC and how is it determined?The amount of alcohol in the bloodstream is measured in milligrams (mg) of alcohol per 100 milliliters (ml) of blood.
What is a good BAC?Perfect BAC in accordance with the moderate drinking guidelines is 0.04 - 0.05%.
Hence, A and D is correct option
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Desert tortoises live in burrows in the Sonoran Desert of Arizona. They produce urea, which is solid uric acid that remains in their bladders until they can eliminate it. This helps them to conserve water. Choose the words to finish the sentences.
Characteristics that animals inherit to help them survive in their environment are called?
Along with water conservation, animals also have unique characteristics for?
Answer:
adaptations; anything ( food storage, movement, thermoregulation)
Explanation:
Characteristics that animals inherit to help them survive in their environment are called adaptations.
Along with water conservation, animals also have unique characteristics for food storage, movement, etc; (anything that is a regulatory thing seems to fit here).
What would you predict to be the effect on an animal species of having longer loops of Henle in their kidney structure
Answer: They would be better able to survive in dry environment like deserts than animals with shorter loops.
Explanation:
The kidney is an organ found in animal that is used for the excretion of unwanted nitrogenous substances such as urea and other ammonium compounds from the blood. They also maintain the osmotic pressure of the blood by controlling the excretion of water and salts.
The urinary tubule is the functional unit of the kidney. This tubule is made up of:
--> Bowman's capsule
--> proximal convoluted tubule
--> loop of Henle
--> distal convoluted tubule and
--> collecting ducts.
The ability of the kidney to form a urine that is more concentrated than plasma is essential for survival of mammals that live on land including humans. When there is short supply of water, desert environment, the kidney forms a concentrated urine by continuing to excrete solutes while increasing water reabsorption and decreasing the volume of urine formed. The requirements for excreting a concentrated urine depends on the anatomical arrangement of the loop of Henle. A LONGER loop of Henle provides more osmotic gradient necessary for water reabsorption to occur than a shorter one there by limiting the need for water intake.
Match each term to its correct description. ResetHelp Gustation Basal cell Sustentacular cell Cranial nerve for smell Bowman's gland Cranial nerve for taste Olfaction Vallate papilla Adaptation Filiform papilla : cranial nerve I. : loss of sensitivity due to repeated stimuli. : helps manipulate food on tongue surface. : sense of taste. : produces mucus. : stem cell of olfactory receptor. : contains taste buds for bitter substances. : supportive cell of olfactory receptor. : cranial nerve VII. : sense of smell.
Answer:
I. Adaptation.
II. Filiform papilla.
III. Gustation.
IV. Bowman's gland.
V. Basal cell.
VI. Vallate papilla.
VII. Olfactory.
VIII. Sustentacular cell.
IX. Cranial nerve I.
X. Cranial nerve VII.
Explanation:
A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.
Generally, the nervous system found in living organisms such as humans, comprises of two (2) major components or systems; a central nervous system (CNS) and a peripheral nervous system (PNS).
Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes. Some of the terminologies and features associated with the sensory system includes the following;
I. Adaptation: loss of sensitivity due to repeated stimuli. Stimulus can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal).
II. Filiform papilla: helps manipulate food on tongue surface. These are the thread-like dots found on the tongue and they typically cover two-third (⅔) of the human tongue.
III. Gustation: sense of taste. It is the ability of a living organism to taste flavors in a food or other things.
IV. Bowman's gland: produces mucus. It's a nasal gland found in the olfactory mucosa and responsible for the production of mucus in living organisms.
V. Basal cell: stem cell of olfactory receptor.
VI. Vallate papilla: contains taste buds for bitter substances.
VII. Olfactory: sense of smell. This is the ability of a living organism to perceive or smell something.
VIII. Sustentacular cell: supportive cell of olfactory receptor.
IX. Cranial nerve I: cranial nerve for taste.
X. Cranial nerve VII: cranial nerve for smell.
What is
the term Modal
in operation Research
Answer:
In operational research, the term 'model' is usually taken to mean a representation of a situation. This representation is usually expressed in terms of symbols. Such models are used widely in science but are unusual in much managerial decision making.
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Answer:
D) how they process and obtain energy to grow
Which of the following statements best describes the function of a
competitive inhibitor in an enzyme-catalyzed reaction?
A. The inhibitor damages the enzyme, preventing the substrate from
binding to the active site.
B. The inhibitor damages the substrate when the substrate attempts
to bind to the enzyme's active site.
C. The inhibitor binds to the enzyme's active site, because its shape
is similar to that of the substrate.
D. The inhibitor damages one or more products after the enzyme
releases them following the reaction.
SUBMIT
Answer:
C. The inhibitor binds to the enzyme's active site, because its shape is similar to that of the substrate.
Explanation:
An enzyme can be defined as a biological catalyst that typically lowers the activation energy of a biological reaction. When the activation energy of a reaction is low, the rate of the reaction would be faster. Therefore, an enzyme speeds or catalyzes the rate of a reaction by lowering its activation energy. Also, if the conditions are not optimal for an enzyme, it limits the ability of an enzyme to bind or be joined with its substrates.
Generally, enzymes function best at a specific pH and temperature level. An increase in temperature increases or speeds up the rate of a reaction while low temperature limits or reduces the rate of a reaction. The optimal temperature for enzymes in the human body is around 37 degrees celsius.
An allosteric effector can be defined as an agent, organ or molecule that is being binded to an enzyme at a site, thereby causing a reduction (negative effect) or an increase (positive effect) in an enzyme activity.
An inhibitor is any substance that slows down or stops a biological process or chemical reaction.
Hence, the statement which best describes the function of a competitive inhibitor in an enzyme-catalyzed reaction is that the inhibitor binds to the enzyme's active site, because its shape is similar to that of the substrate and consequently, slowing down or stopping the process.
An enzyme may be described as an organic catalyst that usually lowers the activation strength of an organic response. The correct answer is C. The inhibitor binds to the enzyme's active site because its shape is similar to that of the substrate.
When the activation strength of the response is low, the charge of the response could be faster. Therefore, an enzyme speeds or catalyzes the charge of a response by decreasing its activation strength. Also, if the situations aren't most desirable for an enzyme, it limits the capacity of an enzyme to bind or be joined with its substrates.Generally, enzymes feature pleasant at a selected pH and temperature level. A boom in temperature will increase or hastens the charge of a response even as low-temperature limits or reduces the charge of the response. The most desirable temperature for enzymes withinside the human frame is around 37 stages celsius.What is an inhibitor?An inhibitor is any substance that slows down or stops an organic procedure or chemical response.
Hence, the announcement which high-quality describes the feature of an aggressive inhibitor in an enzyme-catalyzed response is that the inhibitor binds to the enzyme's lively site, due to the fact its form is just like that of the substrate and consequently, slowing down or preventing the process.
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Which events are evidence that your brain responds to stimuli in your environment?
Answer:
Answer :- Step 1 Receptors (sense organs, muscles, glands, etc.) receive stimuli from the environment or from inside your body.
Step 2 The central nervous system processes information received from the peripheral nervous system.
Step 3 The central nervous system sends out the processed information to the peripheral nervous system.
Step 4 The peripheral nervous system sends a message to the body part that needs to respond so you can react appropriately to the stimulus.
Explanation:-
There are two different parts of the nervous sytem-the peripheral nervous system (PNS) and the central nervous sytem (CNS).
The CNS consists of the brain and the spinal cord .
The PNS consists of all the nerves that lie outside the CNS.
The main function of the PNS is to gather information from the sensory receptors located in our body and convey this information to the central nervous system.
The CNS collects this information from the PNS and then interprets it. The interpreted information is then relayed back to the body parts via the PNS to perform the appropriate action
Explanation:
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A 5-year old girl has a small deletion in chr 22. She has impaired thymus development with a significant deficiency in the number of functional T cells. The most likely etiology for these finding is:
Answer:
T Cells
Explanation:
1.In some plants (like lilies), all four megaspores survive. Three megaspores fuse into a single nucleus while one megaspore remains solitary. Then both of these nuclei go through two mitotic cell divisions to form the typical eight nucleus megagametophyte. One nucleus from each group join to form the polar cells. After fertilization by a sperm, what would the ploidy of the endosperm of a lily be
Answer:
Triploid.
Explanation:
The ploidy of endosperm of a lily will be triploid because the pollen cells fuse with the cell present in the ovary which results into triploid. Each ovule receives two sperm cells to the embryo sac. One sperm fertilizes the egg cell, forming the diploid zygote or embryo, while the other sperm fertilizes the central cell produces endosperm that is usually triploid. This endosperm is the part of the seed which provides nutrients to the embryo during its growth.
1.
The diagram below shows a simple food chain.
Panther
Deer
Grass
Which claim describes the ecosystem represented by the food chain?
A.
It can support more panthers than deer.
B. It can support more deer than panthers.
C. It can support the same number of panthers as it can deer.
The amount of grass does not affect the ecosystem.
Answer:
B
Explanation:
If the deer are more it means that the ecosystem can support the panthers too since they will get sufficient food.
What are lipids? (choose all that apply)
Sugars
A macromolecules mostly found in breads, pasta, fruits,
and veggies
Stored energy and insulation
Immediate, usable energy
Fatty acids are the monomers
A macromolecule mostly found in cheeses, milk, butter, oils, nuts, and fish
Monosaccharides are the monomer
What would most likely result if mitosis was NOT followed by cytokinesis?
Answer:
If cytokinesis was skipped, Cells would have too many chromosomes; cells wouldn't function properly because they would be too big.
Allele frequency refers to: The total number of alleles in an individual. The number of alleles in a dimorphic population. The proportion of an allele relative to the total number of alleles in a population. The number of alleles that can exist for a certain gene.
Answer:
The proportion of an allele relative to the total number of alleles in a population.
Explanation:
The genic or allelic frequency refers to the proportion of each allele in a given locus of a specific population. If the population is under the Hardy-Weinberg equilibrium, the sum of the allelic frequencies always equals 1.
The allelic frequency is significant while analyzing the gene transition in the population. Also, genotypic frequencies are directly related to allelic frequencies, mathematically defining them.
Frequent changes in cause rock formations
Answer:
Okay I never know that thanks
Which plant part is abundant in leaves and capture the sun’s energy for photosynthesis?
1. chloroplasts
2. phloem tissues
3. petioles
4. xylem tissues
Answer:
1. Chloroplasts are abundant in leaves and capture the sun's energy for photosynthesis
Explanation:
Chloroplasts have chlorophyll and photosystems, allowing them to capture the sun. They are also abundant in leaves.
Question 2 (4 points)
(06.04 MC)
A few characteristics of a type of reproduction are shown below:
1. Two daughter cells are formed
2. 2. Occurs only in the reproductive cells
3. 3. Chromosomes arrange along the equator
4. The parent cell and the daughter nuclei have the same number of chromosomes
5. Is necessary for sexual reproduction
Which of these are characteristics of mitosis? (4 points)
O a
1, 2, and 3
Oь
1, 3, and 4
Ос
2, 3, and 5
Od
3, 4, and 5
Answer:
2, and 3
Oь
1, 3, and 4
Ос
2, 3, and 5
Od
3, 4, and 5
Why are decomposers important to the environment?
O They provide food for predators.
O They are main food producers.
O They are important players in the water cycle.
They provide nutrients for the growth of plants.
Answer:
They provide nutrients for the growth of plants
Explanation:
When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.
Good luck on your test
What causes blood pressure
Cholesterol in the blood
stress to exercise puts on heart muscle
contraction of ventricles in the heart
Removal of oxygen from the blood
NO LINKS !!
Please answer both, and explain if possible.
Q 1. In a certain flower Yellow petals (Y) are Co-dominant to Pink petals (P). Describe what a flower with both the yellow petal gene and pink petal gene would look like.
Q 2. In a certain flower Red Petals (R) are Incomplete Dominant to White Petals (r). Describe what a flower with both the red petal gene (R) and white petal gene (r) would look like.
Answer:
1. The petals might be both yellow and pink, or some petals might be yellow and others will be pink.
2. Petals will be neither red nor white, they will be a mix of both colours. The petals will probably be a pink colour.
Explanation:
Newton’s 2nd Law of motion states –
Complete the sentence: The greater the force that is applied to an object, the _____ the acceleration. However, if that same force was applied to an object with a larger mass, it will have a _____ accerleration.
Using the formula for the 2nd Law, force = mass x acceleration, calculate the three problems below:
An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown fore is applied to it. What is the amount of the force?
An object with a mass of 3.2 kg has a force of 7.3 newtons applied to it. What is the resulting acceleration of the object?
An object accelerates 16.3 m/s2 when a force of 4.6 newtons is applied to it. What is the mass of the object?
Newton’s 3rd Law of motion states –
Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the arrow. Explain where the reaction force can be found.
Based on Newton’s 3rd Law of motion, if a baseball player hits a ball with the bat, the action force is the impact of the bat against the ball. Explain where the reaction force can be found.
If a bowler rolls the bowling ball down the alleyway with a force of 1,000N. The ball exerts a reaction force again the alleyway with approximately how much force? Explain your thinking behind this.
The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reactionary force on the Earth with how much force? Explain your thinking behind this.
Answer:
greater
Explanation:
The greater the force that is applied to an object, the greater the acceleration. However, if that same force was applied to an object with a larger mass, it will have a smaller acceleration
What is the term for "anything that takes up space and has mass"?
A. Electron
B. Atom
C. Matter
D. Water
Answer:
matter
Explanation:
answer c is correct
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Three segments for ribosome
Answer:
Ribosomes consist of two major components: the small and large ribosomal subunits. Each subunit consists of one or more ribosomal RNA (rRNA) molecules and many ribosomal proteins (RPs or r-proteins). The ribosomes and associated molecules are also known as the translational apparatus.
Explanation:
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Which of the following is not a difference between photosynthesis and cellular respiration?
Answer: D
Explanation: They both play an important role in the carbon cycle. Photosynthesis removed CO2 from the atmosphere while cellular respiration causes the release of CO2 into the atmosphere.
The others are major differences
Photosynthesis has as its products Starch and O2 while those of cellular respiration are water , CO2 and energy.
The materials needed for photosynthesis are water and CO2 while those for cellular respiration are starch and O2
Photosynthesis occurs in chloroplast while respiration takes place in mitochondria .
Thus the only non- difference is D.
6. When a cell has to move a large particle ut of the cell it uses
which process?
Endocytosis and exocytosis are the processes by which cells move materials into or out of the cell that are too large to directly pass through the lipid bilayer of the cell membrane.
Answer:
Endocytosis and exocytosis (I think)
Explanation:
It is possible for large molecules to enter a cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis.
Intergrated Drilling services helps adnoc increase its drilling efficiency by what percentage?
Answer::ADNOC Drilling has also delivered over 100 integrated drilling services (IDS) wells since 2018, achieving an efficiency improvement of more than 35%, which resulted in over $170 million (AED624 million) in savings.
heterotrophic bacteria create their own food?
Answer:
What does the underlined word or phrase mean in the following sentence?
El jefe es muy exigente.
boss
employee
work
job
Explanation: