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madam [21]
3 years ago
13

Which of the following types of DNA damage cannot be repaired by base excision repair?

Biology
1 answer:
Elodia [21]3 years ago
7 0

Answer:

c. Thymine dimer

Explanation:

Thymine dimer

Thymine dimer ( also called the DNA damage ) that is repaired by the nucleotide excision repair which involves the breakage of the phosphodiester bond on the side of the damage , and results in the excision of an oligolnueotide of 10-12 nucleotides in length .

But the base excision repair involves the removal of the damaged base , removal of short polynuceotide and resynthesis of this area with DNA polymerase .

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Ber [7]

Answer:

C. all living things are made of one or more cells.

Explanation:

Sounds like it.

8 0
3 years ago
Which of the following processes transfers carbon directly from sea water to sea plants
Ray Of Light [21]
I don’t see the “following” that ur talking abt but it is diffusion
5 0
3 years ago
Arrange the following estuarine zones in decreasing order of salinity.
Maksim231197 [3]

Answer:

Euhaline  ⇒  Polyhaline  ⇒  Mesohaline  ⇒  Oligohaline

Explanation:

Let's first define each of these levels:

- Polyhaline: a category of salinity that has medium-high levels of salt

- Mesohaline: a category of salinity that has medium levels of salt

- Oligohaline: a category of salinity that has low levels of salt

- Euthaline: a category of salinity that has high levels of salt

Now, we can order these in decreasing order of salinity:

Euhaline  ⇒  Polyhaline  ⇒  Mesohaline  ⇒  Oligohaline

4 0
3 years ago
Reduction of the number of sets of chromosomes occurs during:
Oxana [17]

Answer:

meiosis I

Explanation:

Reduction of the number of sets of chromosomes occurs during meiosis I.

During Meiosis I crossing over of genetic material occurs between chromosome pairs

4 0
3 years ago
The format of writing an email<br>​
vodka [1.7K]
Salutations,body text, signature
7 0
3 years ago
Read 2 more answers
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