Question

Which of the following molecules consists of a string of nucleotides made up

of a nitrogenous base, deoxyribose, and a phosphate group?
A. mRNA
B. DNA
C. All nucleic acids
D. tRNA

Answer 1

d

Step-by-step explanation:

it’s right

Answer 2

B. DNA

Step-by-step explanation:

DNA is the answer because the full form of DNA Deoxyribonucleic acid.

This is because DNA lacks one oxygen (hence "deoxy")

All the other options such as mRNA have ribose.