Unit III - Biochemistry Question Preview (ID: 52842)


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Nucleic acids are made of
a) mostly C and H with some O
b) C, H and O in a 1:2:1 ratio
c) C, H, O and N
d) C, H, O, N and P

Proteins are made of
a) mostly C and H with some O
b) C, H and O in a 1:2:1 ratio
c) C, H, O and N
d) C, H, O, N and P

Carbohydrates are made of
a) mostly C and H with some O
b) C, H and O in a 1:2:1 ratio
c) C, H, O and N
d) C, H, O, N and P

Lipids are made of
a) mostly C and H with some O
b) C, H and O in a 1:2:1 ratio
c) C, H, O and N
d) C, H, O, N and P

Atoms of the same elements with different numbers of neutrons are
a) compounds
b) molecules
c) isotopes
d) ions

Which is the pH of an acid?
a) 6
b) 7
c) 8
d) 9

Which is the pH of a base?
a) 5
b) 6
c) 7
d) 8

What element do all organic compounds have in common?
a) Carbon
b) Potassium
c) Phosphorus
d) Nitrogen

A function of a lipid.
a) energy use
b) energy storage
c) structural support
d) building muscle

A function of a nucleic acid.
a) energy storage
b) speed reactions
c) transmit genetic information
d) cell membrane

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