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Sloan [31]
3 years ago
12

Which of these is not true of enzymes?

Biology
1 answer:
postnew [5]3 years ago
5 0
The incorrect one is b. different enzymes has a different optimum temperature.
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Prophase has a series of checkpoints that determine whether a cell will undergo all stages of mitosis. true or false
Black_prince [1.1K]
The answer is false. All cells that had undergo in the beginning of mitosis, will be undergoing to the whole stages of mitosis. Mitosis is the part of the cell cycle, wherein it results into equally distributed chromosomes and separated two new nuclei. Typically there are five stages of Mitosis.
4 0
3 years ago
Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of it
Leya [2.2K]

Answer:

Plant species it eats

Explanation:

The 1st, 3rd, and 4th are describing its surroundings not the individual grasshopper.

7 0
3 years ago
If mitosis stopped in your body, what effects would you see most rapidly? Which tissues would
kogti [31]

Cell division during mitosis is necessary for replacing damaged or dying cells, as well as repairing damaged or worn-out cells that occur naturally. The main mechanism behind growth is this kind of cell division.

<h3>What are the consequences if mitosis stopped in the body?</h3>

Without mitosis, there wouldn't be any cell division or growth. The fact that genetic information cannot be passed on is most essential. All cell processes would be significantly impacted.

You might also suffer serious consequences, as your heart would have to beat by itself, among other things. Your bones or your brain wouldn't be immediately impacted, but your blood cells would.

Therefore, Every cell in your body would stop replicating itself if mitosis halted, which would induce a heart attack.

Learn more about mitosis here:

brainly.com/question/3417925

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5 0
1 year ago
Read 2 more answers
Metabolic pathways can be controlled through the availability of enzymes and modulation of their catalytic activities. Enzyme av
postnew [5]

Answer: a) substrate and cofactors b) covalent modification

Explanation:

Metabolic pathways involve all the chemical processes takes place in the enviornment or in an organisms.The metabolic pathways are controlled through the catalytic activities of enzymes.

The availability of enzyme is regulated  by substrate and cofactors present in enzyme and enzyme activity is commonly regulated via covalent modification.

Enzymes are highly selective in nature and bind to a specific substarte only. The active site in enzyme binds with the substrate to form enzyme substrate complex. Coactors assist the enzyme activity, without cofactor enzyme can not perform its activity.

Hence enzyme availibility is regulated by  substrate and cofactors regulates.

Covalent modifications regulates activity of enzyme as it involves addition and removal of chemical group to synthesis required protein. It can change the chemical properties of the site by targeting one or multiple amino acid.

Thus the correct answer is a) substrate and cofactors b) covalent modification

8 0
3 years ago
What is the structure of a stem
erica [24]
Vascular tissue composed of xylem<span> (red) and </span>phloem<span> tissue (green, between the</span>xylem<span> and </span>cortex<span>) surrounds the pith. Collenchyma cells are elongated cells with unevenly-thickened walls . They provide structural support, mainly to the stem and leaves.</span>
3 0
3 years ago
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