Exam 1 Review: Nucleic Acids

Which of these is not included in nucleic acids?

• oxygen

• phosphorus

• nitrogen

• sulfur

What type of bonds form between complementary base pairs in secondary structure?

• covalent

• noncovalent

Mitochondrial DNA contains histones

• True

• False

Which enzyme cleaves nucleic acids in the stomach

• ribonuclease

• phosphatases

• nucleosidases

• pepsin

Pyrmidine nucleotides are eventually made into uric acid

• true

• false

How many rings does a purine have

• 1

• 2

• 3

• 1.5

how many layers of structure does human DNA have

• 1

• 2

• 3

• 4

where do humans store dietary nucleic acids

• liver

• muscle tissue

• we don't store them

• adipose tissue

do cells constantly undergo DNA synthesis

• yes

• no

what direction does RNA polymerase synthesize new strands

• 5 -> 3

• 3' -> 5'

• 5' -> 3'

• 3 -> 5