Nucleic Acids

Question 1

What are the three molecules in the nucleic acid group?

Answer 1

DNA, RNA, and ATP

Question 2

What shape does DNA have? What shape does RNA have?

Answer 2

DNA has a double-helix shape
RNA has a single-stranded shape

Question 3

What is a nucleotide and what are the made of?

Answer 3

A nucleotide are the monomers for nucleic acid.
Nucleotides consist of a phosphate group, a 5-carbon sugar (deoxyribose or ribose) and a nitrogenous base.

Question 4

What are nucleic acids?

Answer 4

Nucleic acids are long, unbranched polymers of nucleotides.

Question 5

What are the four nitrogenous bases for DNA? How do they pair?

Answer 5

Adenine and thymine pair
Cytosine and guanine pair

Question 6

What are the four nitrogenous bases for RNA? How do they pair?

Answer 6

Adenine and Uracil pair
Cytosine and Guanine pair

Question 7

What bonds hold together the nitrogen bases?

Answer 7

Hydrogen bonds

Question 8

What are purines?

Answer 8

Adenine and guanine are purines. Purines have two carbon-nitrogen ring bases.

Question 9

What are pyrimidines?

Answer 9

Cytosine, guanine, and uracil are pyrimidines. Pyrimidines have one carbon-nitrogen ring base