Question

complete the table to compare dna and rna.

	dna	rna
contains carbon, hydrogen, oxygen, nitrogen, and phosphorus
stands for deoxyribonucleic acid
stands for ribonucleic acid

Explanation:

1. "is a polymer made of nucleotides": Both DNA and RNA are nucleic acids, and nucleic acids are polymers of nucleotides. So both DNA and RNA columns should be checked.
2. "contains carbon, hydrogen, oxygen, nitrogen, and phosphorus": The elements in the structure of both DNA and RNA include C, H, O, N, P. So both columns should be checked.
3. "stands for deoxyribonucleic acid": By definition, DNA is deoxyribonucleic acid, so only the DNA column is checked.
4. "stands for ribonucleic acid": By definition, RNA is ribonucleic acid, so only the RNA column is checked.

Answer:

	DNA	RNA
contains carbon, hydrogen, oxygen, nitrogen, and phosphorus	$\boldsymbol{\checkmark}$	$\boldsymbol{\checkmark}$
stands for deoxyribonucleic acid	$\boldsymbol{\checkmark}$
stands for ribonucleic acid		$\boldsymbol{\checkmark}$