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Allisa [31]
3 years ago
8

To which part of a dna molecule are nucleotides added?

Biology
1 answer:
TEA [102]3 years ago
3 0

Answer:

Nucleotides are exclusively added to the 3' end of the developing strand when DNA is produced in the 5'-to-3' orientation. The 5'-phosphate group of the new nucleotide attaches to the 3'-OH group of the final nucleotide of the developing strand.

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DNA damage can occur as a result of exposure to chemicals or ultraviolet radiation. What happens during nucleotide excision repa
katovenus [111]

Answer:

D. Enzymes open the DNA strand, remove a segment of DNA from the strand that contains the damage, and resynthesize the correct DNA sequence.

Explanation:

From time to time, the DNA gets exposed to certain chemicals or radiation that damages it. However, the cell has a DNA repair mechanism in place called NUCLEOTIDE EXCISION REPAIR (NER).

NUCLEOTIDE EXCISION REPAIR (NER) is one of the DNA repair mechanisms in which certain enzymes open the DNA strand, remove a segment of DNA that contains the damaged gene or nucleotide bases, and resynthesize the correct DNA sequence using the pair of the damaged one.

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3 years ago
How do scientists measure the amount of dissolved substances in water?
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3 years ago
What are 2 kinds of warm blooded animals
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Answer:

Birds and Mammals

Explanation:

8 0
3 years ago
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Scientists were monitoring a meteor headed toward Earth. It moved off course, but some pieces of rock entered the Earth’s atmosp
abruzzese [7]
<h2>Answer:</h2>

Mesosphere

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The atmospheric layer that protects the Earth against danger of the rocks is the mesosphere. This layer is above the stratosphere. The temperature drops in this layer to about -100 degrees Celsius. This is the coldest region of the atmosphere. The mesosphere burns up most meteors and asteroids before they are able to reach the earth's surface. It becomes cold enough to freeze water vapor in its atmosphere into ice clouds.

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Which of these shows the greatest degree of hierarchical structural organization?
rosijanka [135]

Answer:

D- Multicellular life

Explanation:

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3 years ago
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