Question

In the DNA molecule.
[ ]
1) The proportion of adenine in relation to thymine varies with the organisms
2) There are two strands which run antiparallel one in 51 - 31 direction and
other in 31 - 5' direction
3) The total amount of purine and pyimidine nucleotides is not always equal
4) There are two strands which run parallel in s → 34 direction.​

Answer 1

Answer:

2 is the answer

hope it helps

please mark me as the brainliest

Explanation:

Answer 2

Answer: 2) is correct

Explanation: 1) And 4) are completely wrong, Because adenine and thymine are in equal amounts

In 3) total no. of purines is always equal to total no. of pyrimidines, hence it is wrong.

Hope You liked my answer, pls mark it as the brainliest if u wish to :-)