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Travka [436]
3 years ago
9

In a healthy cell, the rate of DNA repair is equal to the rate of DNA mutation. When the rate of repair lags behind the rate of

mutation, what is a possible fate of the cell?
Biology
1 answer:
kvv77 [185]3 years ago
3 0

Answer:

The possible fate of the cell that it may turn cancerous.

Explanation:

The cells present in the body generally work in harmony. However, if a cell attains a mutation, it can make it proliferate in the case when it should not do, and make it thrive in the case when other cells are dying. Due to proliferation, the unusual cell produces more abnormal cells also known as cancerous cells. These cancerous cells become more favorable in comparison to the normal cells due to the phenomenon of natural selection. These cells eventually result in a lethal form of tumors.  

In the normal cells, the destructed gene or the damaged cells get repaired easily, in case if the damage is worse the cell dies. A protein known as p53 helps in repairing damaged cells or kills them if the damage is too severe. But in the case of cancer cells, the p53 protein does not work appropriately as they possess a mutated or changed form of p53 protein. Thus, in the case of cancerous cells, the rate of repair lags behind the rate of mutation, which makes the cancer cells thrive and increase in numbers resulting in further destruction.  

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In humans, brown eyes are dominant over blue eyes. What conclusions could you draw about the genotypes of a mother who had child
DochEvi [55]

Answer:

4

Explanation:

If both parents were Hetero brown, they would both have this allele: Bb.

If you were to draw a punnet square, the outcomes would be: BB, Bb, Bb, and bb.

There would be a 75% chance of the offspring having brown eyes and a 25% chance of the offspring having blue eyes.

5 0
2 years ago
describe the basic process of evolution by natural selection. Describe the underlying genetic basis and role of the environment
shepuryov [24]

Answer AND Explanation:

Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.

8 0
2 years ago
Dangerous organisms that can grow in a variety of environments and are capable of producing toxic substances are known as:
horrorfan [7]

Answer:

Bacteria

Explanation:

Bacteria are the dangerous organisms that can grow in a many different environments and are capable of producing toxic substances which can harm other organisms. This bacteria has the ability to survive in the most extreme environment present near the volcanoes. There are about 30,000 species of bacteria that can live in a variety of environments. There are also some bacteria that is beneficial to humans, animals and plants but they are less in number.

8 0
2 years ago
Why are lipids and proteins free to move laterally in membranes?
Rashid [163]

Correct option C) Hydrophilic portions of the lipids are in the interior of the membrane.

Lipids and proteins free to move laterally in membranes because both are inserted into a fluid lipid bi-layer and they are able to diffuse laterally through the membrane.

Lipid Composition of Cell Membranes is a important property of lipid bilayers which is behave as two-dimensional fluids where individual molecules are rotate and move freely in lateral directions

Membrane proteins and phospholipids both are unable to move back and forth between the inner and outer leaflets of the membrane at an appreciable rate. Phospholipids in the lipid bilayer can either move rotationally, laterally in one bilayer, or undergo transverse movement between bilayers.

To learn more about Cell Membranes here

brainly.com/question/13524386

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8 0
1 year ago
What does each phases of mitosis do in 2 short sentences each
Roman55 [17]

Answer:

it can not be in 2 sentece

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3 0
2 years ago
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