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2. DNA

a. is made up of amino acids.
C.
cannot be repaired if it is mutated.
b.
has a structure like a twisted ladder.
d. All of the above

2 Answers

3 votes

Answer:

D.

Step-by-step explanation:

Dna is made of amino acids ,cannot be repaired if mutated and is a twisted ladder structure.

User Dira
by
5.4k points
2 votes

Answer:

b

Step-by-step explanation:

User Gildardo
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4.5k points