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Cloud [144]
3 years ago
15

A polypeptide is a sequence of? a. proteins b. amino acids

Biology
1 answer:
Vilka [71]3 years ago
8 0
A polypeptide is a chain of amino acids. The completed polypeptide chains come together to form proteins, so be careful not to get them mixed up!
Hope this helps!
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Can anyone explain in detail the process of mitosis? (Including PMAT)
Anna35 [415]

Answer:

Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.

Explanation:

Make sure to edit so your not copy-writed.

6 0
3 years ago
Consider the models of cell reproduction. Evaluate the statements and select ALL that are NOT supported by the models.
Novosadov [1.4K]

Answer and Explanation:

The cell division cycle is responsible for increasing and maintaining cell number and size. This cycle is an essential feature of living organisms. There are four phases of cell division mitotic phase (M phase), growth phase 1 (G1), growth phase 2 (G2), and synthesis phase (S). One phase of the cell cycle ends, and the other starts; this is named a phase transition—a unidirectional alteration in the cell cycle phases. During G1, G2, and S phase cell grows and during the M phase cell divides. There are two models of cell reproduction as the clock model and the domino model. The domino model implies that cell division phases must occur in a distinct order and at a definite time. The domino model recommends that the cell cycle events are independent, while the clock model shows that the effectiveness of mitosis entrance was not persuaded by other actions.

5 0
3 years ago
Read 2 more answers
During the cell cycle, the cell must pass through several checkpoints that confirm that the cell is ready to progress to the nex
Oduvanchick [21]

Answer:

The correct answer would be - Cells begin dividing faster, leading to cancer.

Explanation:

In the process of the cell cycle, there are several checkpoints that ensures that the cell is all set to move to next phase, the cell that not match the requirements cell have not move to next phase.

These checkpoints control the rate of cell proliferation or division and if a dividing cell fails to pass through any checkpoints due to the mutation, it is most likely divide uncontrollably and lead to cancerous or tumor cell.

Thus, the correct answer is - Cells begin dividing faster, leading to cancer.

3 0
3 years ago
If glucose is absent, but so is lactose, the lac operon will be ________.
umka2103 [35]

Answer:

Activated

Explanation:

In the presence of lactose, and in the absence of glucose, lactose will bind to a protein called a "repressor," deactivating it. Through this, RNA polymerase has a free way to synthesize the mRNA that will give enzymes for lactose degradation.

7 0
3 years ago
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Your New Year's resolution is to drastically reduce the amount of cholesterol in your diet by eating less meat and more fruits a
grin007 [14]

After a few months of eating less meat and more fruits and vegetable, the liver will respond by producing more cholesterol.

<h3>What is body homeostasis?</h3>

The term body homeostasis makes reference to the internal equilibrium (homeostasis) of the body.

Body homeostasis may involve the production of certain substances when they are not consumed from the diet.

In this case, it is possible to increase cholesterol levels by having certain healthy habits (food habits).

Learn more about body homeostasis here:

brainly.com/question/13349261

7 0
2 years ago
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