Question

i Recently took this this test and failed can somebody tell me correct answers so that i can study them i put 2 stars next to my answers that i put

3) What structural problem prevents adenine from pairing with guanine? (1 point)
The bases are both short.
They lack phosphate groups.
They lack the deoxyribose group.**
The bases are both long.

4. Rosalind Franklin contributed to the understanding of DNA by _____ (1 point)

producing images of DNA molecules using X-rays.
figuring out that DNA strands form a double helix.**
conducting experiments that showed which nucleotides are

Answer 1

D

Answer 2

A

Answer 3

ty bro