Question

7) Select 2 that apply.

Which nucleotides can pair together? Select all that apply.

cytosine (C) & guanine (G)

adenine (A) & cytosine (C)

adenine (A) & guanine (G)

adenine (A) & thymine (T)

cytosine (C) & thymine (T)

8) Choose the best answer.

What are the "rungs" of the DNA ladder made of?

amino acids

nucleic acids

pairs of nucleotides

ribonucleic acids

9) Choose the best answer.

This is the backbone of the DNA strand.

sugar-phosphate groups

ribonucleic acids

nucleic acids

amino acids

10) Choose the best answer.

DNA is made out of ___.

nucleotides

ribonucleic acids

diploids

nucleic acids

Answer 1

7) cytosine (C) & guanine (G); adenine (A) & thymine (T)

8) pairs of nucleotides

9) sugar-phosphate groups

10) nucleotides