Answer:
c deactivating an enzyme
An inhibitor deactivates an enzyme in an enzyme-substrate reaction by binding to the active site or an allosteric site, preventing the substrate from binding and reducing the enzyme's activity. So the correct option is d.
Explanation:The function of an inhibitor in an enzyme-substrate reaction is to interfere with the enzyme's activity. This can be achieved by different types of inhibitors through various mechanisms. An inhibitor may bind competitively to the active site of an enzyme, preventing the substrate from binding, in what is known as competitive inhibition. Alternatively, an inhibitor can bind noncompetitively to an allosteric site on the enzyme leading to a change in the enzyme's conformation and thus reducing its affinity for the substrate; this type of inhibition is called allosteric inhibition. The correct answer to the question would be (d) deactivating an enzyme, as inhibitors generally work by reducing or stopping the catalytic activity of enzymes.
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what do solid fats have a high protein of
explain 3 ways that your body can defend itself against pathogens
Give three situations where the negative staining procedure would be used.
Answer:
3 situations
Explanation:
1- organisms that are delicate and can't be heat-fixed so for that kind of organism negative staining technique is used.
2- for studying morphology. In the identification of the organism where it's structure, shape, size, and arrangement is important this technique used.
3- this technique, also used for capsular strain or organism identification.
the energy role of a grizzly bear is that of a {n} ------because it cannot make its own food
Answer:
The answer is Consumer just took the test Hope this helps! Have a great day!
From which graph below would you conclude that velocity decreases directly with time?
Answer:
its z
Explanation:
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What is a light year?
a. A measure of time in space
b.The distance light travels in a year
c.The distance to Alpha Centauri
d.A term used only in science fiction
11. What are the steps involved in DNA replication?
a. Replication begins when the DNA double helix ___.
b. The nitrogenous base pairs pull apart from each other at a ____, exposing the two strands.
c. As the double helix continues to open, new nitrogenous ____ are added on both sides.
Final answer:
The steps involved in DNA replication include the unwinding of the DNA helix, separation of base pairs by DNA Helicase at the replication fork, and the addition of new nitrogenous bases to form complementary strands.
Explanation:
The process of DNA replication is essential for cell division and involves several key steps:
Replication begins when the DNA helix unwinds at the origin of replication.The enzyme DNA Helicase breaks the hydrogen bonds between the nitrogenous base pairs which form at a replication fork, exposing the two single strands.As the double helix continues to open, single-strand binding proteins coat the DNA to prevent rewinding. New nitrogenous bases are added to the exposed strands by the enzyme DNA polymerase, according to the base pairing rules (A with T, and G with C).what are two ways that scientists have studied space debris as a possible origin of organic compounds on Earth? What did they discover in each case? (2 ) What is the evidence that the first life may have evolved around geothermal vents?
What happens to the water particles in a wave?
The wave pushes the water particles forward.
The water particles move in a circular pattern.
The wind pushes the water particles down.
The water particles move up through the wave.
The water particles move in a circular pattern in a wave. Hence, the correct option is B.
What is a water wave?Water waves are the surface waves that are a combination of both longitudinal and transverse wave.
During the distortion, the water particles remain in the same position as they propagate with the same wave. They are formed by the interaction between the sun, moon, and the earth. They are also very important in nature, the wind moving above the water surface are also responsible for the formation of water waves.
There are basically three types of water waves: sea waves of seismic origin (tsunamis), swell waves, and wind surges. Hence, the correct option is B.
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In pea plants, yellow seed color is dominant and green seed color is recessive. What will the generations look like? Assume that Mendel’s method of crossing two true breeding parents with opposite traits is followed. Check all that apply.
The P generation has all yellow seeds.
The P generation has all green seeds.
The P generation has yellow and green seeds.
The F1 generation has yellow and green seeds.
The F1 generation has all yellow seeds.
The F2 generation has all green seeds.
The F2 generation has yellow and green seeds.
There are yellow and green seeds in the P generation. The F1 generation's seeds are all yellow, while the F2 generation's seeds are both yellow and green.
Is Mendel's peas' predominant seed color green or yellow?Green seed color is the recessive trait and yellow seed color is the dominant trait in pea plants. The outcomes of a cross between a heterozygous yellow-seed plant and a green-seed plant can be displayed using a Punnett square.
(Predominant) seeds with a yellow tint and green seeds (recessive)
Parental generation (P generation): In Mendel's experiments.
F1 generation of yellow seeds: In Mendel's tests, the P generation's progeny
In Mendel's trials, the progeny of the F1 generation were of the yellow and green seed colors, respectively.
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In Mendel's pea plant experiments, the P generation of true-breeding parents results in all yellow seeds if crossed with each other, the F1 generation from parents with opposite traits has all yellow seeds due to the dominance of yellow, and the F2 generation has both yellow and green seeds, typically in a 3:1 ratio.
In the study of pea plants, where yellow seed color is dominant and green seed color is recessive, Mendel's method of crossing would result in specific patterns across generations:
1. The P generation would consist of plants that are true-breeding for yellow and green seeds. Since yellow is dominant, the P generation would have all yellow seeds if both parents are homozygous for yellow, or all green seeds if both are homozygous for green. However, if they are crossed with each other (yellow x green), all yellow seeds would be present due to the dominance of the yellow trait.
2. The F1 generation, which results from crossing two true-breeding parents with the opposite traits (homozygous dominant for yellow and homozygous recessive for green), would have all yellow seeds given the dominance of the yellow allele.
3. The F2 generation would exhibit both yellow and green seeds due to the segregation of the alleles during gamete formation and the subsequent combination of the F1 heterozygotes' gametes. A Punnett square can be used to predict the specific ratio of yellow to green seeds in this generation, usually a 3:1 ratio, assuming Mendel's laws of inheritance are followed.
Which of these best describes the material inside Earth's mantle? Remains stationary Moves in a circular motion Rises up but does not sink down Sinks down but does not rise up
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Using the diagram above, match the description to the corresponding location in the carbon cycle model. Provide the letter only.
1. Carbon dioxide is converted to sugar used for food.
2. Carbon trapped in fossil fuels is converted to carbon dioxide.
3. Organic carbon is converted to fossil fuels.
4. Carbon dioxide is converted to carbonates.
5. Sugar is broken down and converted to carbon dioxide.
1. Location ________
2. Location ________
3. Location ________
4. Location ________
5. Location ________
1. Location is F.
2. Location is G.
3. Location is E.
4. Location is H.
5. Location is A.
It would take one light year to travel to the sun. True False
what does a plant do with oxygen, the end result of photsynthesis
A. Sends it into the dirt
B. Breathes it into its lungs
C. Releases it that Animals(including humans) can live
D. Turn it into sunlight
Why is soil important for terrestrial ecosystem?
why do phospholipids form a bilayer in water?
Answer:
Phospholipids form a bilayer in water because lipid consists of hydrophillic and hydrophobic regions.
Explanation:
Lipid is known as amphipathic molecule because lipids has hydrophillic head and hydrophobic tail regions. The lipid molecules can rearrange themselves when they are dissolved in water.
Lipids when dissolve in water, the hydrophillic (water- loving) head interact with water whereas hydrophobic( water- hating) moves away from the water. This, makes the bilayer in water.
____ take longer to decompose so they need to be finely cut
A. Woodcuttings
B. Food produces
C. Vegetable peels
D. Eggshells
Final answer:
Woodcuttings (A) take longer to decompose because of their tough wood fibers, which are difficult for decomposers to break down. Finely cutting them can speed up the process by increasing the surface area available to decomposers like fungi and bacteria that recycle nutrients into the environment.
Explanation:
The option that takes longer to decompose so they need to be finely cut is A. Woodcuttings. Woodcuttings are composed of tough wood fibers, which are difficult for decomposers such as bacteria and fungi to break down. As mentioned, forest mushrooms, though they appear fragile, perform the vital role of decomposing dead wood and other plant material that is typically tougher to break down compared to food produce, vegetable peels, or eggshells.
Decomposers, which include fungi and bacteria, have the important task of recycling nutrients by breaking down complex organic matter into simpler inorganic nutrients. This enables producers to utilize the released nutrients to create new organic compounds. Organic substances that can be disintegrated by decomposers are termed biodegradable.
Woodcuttings being larger and more complex than other organic materials means they require more time and effort for decomposition. Hence, cutting them into finer pieces increases the surface area accessible to the decomposers, thereby speeding up the decomposition process.
Some common environmental factors influencing pregnancy include all of the following EXCEPT:
Answer:
B
Explanation:
What shared characteristic can be written at point X? Use complete sentences to explain your answer.
*4-5 COMPLETE SENTENCES
*NO COPYING
*ANY LESS THAN WHAT IS ASKED, WILL BE REPORTED.
Answer:
Multicellular
Eukaryotic
Heterotrophs
Explanation:
Both cells of fungi and animals are eukaryotic meaning they have nucleus and organelles. They are multicellular organisms (meaning they are composed of many cells). Their cells are also heterotrophic meaning they depend on organic molecules for energy as opposed to plants that can make their food from abiotic factors. Fungi, however, digest their molecules extracellularly while animals do it intracellularly.
Why is a symptomless STI just as dangerous as an STI that exhibits symptoms? Explain your answer.
Orographic lifting is associated with _____.
Orographic lifting is associated with the mountains because it serves as blocks to the current of air, pushing the air to ascend.
Orographic lift happens when an air core is driven from a low elevation to a higher elevation as it passes over growing terrain. As the air mass gains height when it quickly freezes down adiabatically, which can increase the comparative humidity to 100% and produce clouds and, under the right circumstances, precipitation.
Orographic lifting is associated with topographic barrier such as a mountain or a hill.
A topographic barrier refers to a physical feature in the landscape that obstructs the flow of air or water. It can be a natural element such as a mountain, hill, ridge, or plateau. Topographic barriers have an impact on weather patterns and the movement of air masses.
As air approaches a mountain or elevated terrain, it is forced to ascend along the slope. As the air rises, it cools, leading to condensation and the formation of clouds. Orographic lifting can result in the development of orographic clouds, precipitation, and other weather phenomena on the windward side of the mountain. On the leeward side, the air descends and can create a rain shadow effect, where drier conditions prevail due to the loss of moisture during the ascent. Orographic lifting plays a significant role in shaping local weather patterns and can result in variations in precipitation and climate across different sides of a mountain range.
Therefore, the given blank is filled by mountain or hill.
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What is most likely evidence of an energy transformation taking place when a hot plate that has a beaker containing solid wax placed on it is turned on
Answer:
melting point and heat transfer
Answer: A - "Wax starts melting as kinetic energy is transformed into thermal energy"
Explanation:
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what is often used as a thickening agent in foods?
Where trenches do not exist, the steep continental slope merges into a more gradual incline known as the continental ____. a abyss b zone c rift d rise
A location in the northern hemisphere is currently experiencing the longest day. It is a day with more hours of sunlight than darkness. Which of the following could be the current month?
April
December
June
May
A location in the northern hemisphere is currently experiencing the longest day. It is a day with more hours of sunlight than darkness.
Which of the following could be the current month?
JUNE
Answer:
June has the longest day in northern hemisphere.
Explanation:
As Earth rotates on its axis which is tilted by 22.44° on its axis due to which the northern hemisphere receives more direct sunlight between March and September due to which northern hemisphere experiences longer days i.e more hours of sunlight. On 21 June the duration of the hours of sunlight received by the northern hemisphere is maximum. This is also known as Summer solstice .
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The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
The movement of particles from high concentration to low concentration gradient that uses a carrier protein is called Facilitated diffusion. In facilitated diffusion, the protein channels or carrier protein in the cell membranes allows the particles to move in or move out of the cell from high concentration down to their low concentration gradient.
The process in which particles move from high concentration to low concentration using a carrier protein is known as facilitated diffusion, a type of passive transport in the cell membrane.
Explanation:The type of movement described in the question, where particles move from an area of high concentration to low concentration using a carrier protein, is known as facilitated diffusion. Facilitated diffusion is a type of passive transport, meaning it does not require energy and occurs along the concentration gradient. The carrier proteins in the cell membrane bind to specific molecules and assist them in crossing the membrane, effectively 'facilitating' their diffusion into or out of the cell.
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A star in a distant galaxy is 97 trillion km from earth.How many years would it take light to get from the star to earth?
1.) If a sailing ship represents the human body, how is a sudden storm at sea like a virus? Use the word homeostasis
2.) If the wind changes direction, and the ship veers off course, what type of feedback loop results in the ship returning to its course?
Biuret solution specifically reacts with ____ to produce a color change.
A. DNA
B. Lipids
C. Amino Acids
D. Starches
Answer:
C. Amino Acids
Explanation:
The biuret solution is often used for the detection of proteins.Every protein is made up of monomers known as amino acids and hence the biuret solution reacts with the amino acids leading to a color change which indicates the presence of proteins in the sample. The biuret solution contains :Hydrated Copper sulfate
Potassium hydroxide solution
Potassium sodium tartrate
In a reflex arc, a motor neuron sends a signal that causes a response in the