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Gnom [1K]
2 years ago
7

The accumulation of mutations can drive the aging process .

Biology
1 answer:
Mrac [35]2 years ago
7 0

Yes accumulation of mutation can drive aging process.

Explanation:

The molecular damage that occurs in cells and tissues for a long time due to DNA damage and epigenetic changes gets accumulated in the cell.

This leads to lowering of the homeostasis in the cell during stress conditions and eventually risks of life-threatening diseases as cancers  or neurodegenerative disorders develop.

Due to mutation in the gene DNA repair mechanism also gets affected this  also contributes to the ageing of cells.

The telomere of the chromosome is shortened after every mitotic division but telomerase enzyme keeps adding the DNA sequence preventing shortening aging and death of the cell. If  the mutation occurs in this enzyme it will increase the ageing of cells at high rate.

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A description of natural events that has been proven to be true time after time, without exception.
Ainat [17]
The correct option is D.
A natural law refers to a description of natural event that has been proved to be true without exception. Such a law usually generalizes a body of observation but can not explain why the observation occur. An example of a natural law is Newton's law of gravity, he observed that an object thrown up usually come down but can not explain the reason behind this observation.
6 0
3 years ago
How are the lytic and lysogenic cycles similar and different in terms of process and infection?
ELEN [110]

Answer:

<h2>Lytic cycle: involve that there is rupture( lysis) of the host cell and release many copies of virus. </h2><h2>Lysogenic cycle:  involve the insertion of the nucleic acid of a bacteriophage into host genome, known as prophage. </h2>

Explanation:

There are many  similarities and differences between lysogenic and lytic cycles that;

1. Lysogenic cycle of bacteriophage :

i)  in lysogenic cycle:  bacteriophage insert its DNA with that of a host, known as prophage and it replicates with host.

2. Lytic cycle of bacteriophage:

i) lytic cycle is that it results in many copies of the virus very quickly and the cell is ruptured and many copies of virus are released.

4. Similarity is that in both cycles bacteriophase inter into the host and use their machinery.

4 0
3 years ago
Which cell organelle contains coded directions for production of proteins? Question 3 options: endoplasmic reticulum lysosome Go
UNO [17]

Answer: nucleus

Explanation: The nucleus contains the DNA which is a genetic material that contains all the instructions for protein synthesis. Before proteins are produced, the DNA is first of all copied into an single stranded RNA in a process known as transcription. This process takes place in the nucleus. The single stranded RNA then leaves the nucleus to the ribosome where protein synthesis takes place, there the RNA is translated into a polypeptide chain.

5 0
3 years ago
Which group is INCORRECTLY paired with its description?
amid [387]

Answer:

Red algae - acquired plastids by secondary endosymbiosis

Explanation:

Red algae are believed to have undergo a primary endosymbiosis event. Then a second endosymbiosis event created a large group known as heterokonts.  During the primary endosymbiosis event red algae acquire their plastids.

7 0
3 years ago
Someone free. e from my following only......after answer please kindly report this questions ​
Alexeev081 [22]

Ain't in ur following ig..wait, will follow u in a sec :) Then went be even Stephen (y do u want ppl to report it btw?)

3 0
2 years ago
Read 2 more answers
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