Question

is my answer wrong??

5. What is true about the base pairs A-T and G-C? (1 point)
They occupy different widths, which allows the DNA molecule to form a helix.****(myAnswer)
They occupy the same width, which allows the helical radius to remain constant.
They are always present in the same ratios across all species.
They are stabilized by covalent bonds between the bases.

Answer 1

will give a medel

Answer 2

They are always present in the same ratios across all species because for every A there is a T and for every G there is a C .