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Macromolecules Answers

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1
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Which statement correctly compares nucleic acids and carbohydrates?

A
They both contain carbon, but only nucleic acids contain hydrogen.
B
They both contain carbon, hydrogen, and oxygen in a 1:2:1 ratio.
C
They both contain carbon, but only carbohydrates contain oxygen.
D
They both contain carbon, but only nucleic acids contain phosphorous.
2
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Which statement best describes the components of nucleic acids?

A
They are made up of chains of amino acids.
B
They are made up of carbon, hydrogen, and oxygen only.
C
They are made up almost entirely of carbon and hydrogen.
D
They are made up of nitrogenous bases, sugars, and phosphates.
4

Mammals that live in the Arctic Ocean have a large amount of blubber, which is a fatty tissue just beneath the skin. Which statement best relates why these animals have so much blubber?

A
Lipids in blubber insulate the animals from cold water.
B
Proteins in blubber help the animals move to stay warm.
C
Carbohydrates in blubber provide all the energy that the animals need to stay warm.
D
Nucleic acids help build the lipids in blubber, which keep animals warm by regulating cell activities.
5

If Tyler does not eat a diet that includes essential amino acids, his cells will not be able to build

A
nucleic acids.
B
certain proteins.
C
cell membranes.
D
certain carbohydrates.
6

Which list correctly shows carbohydrates in size from smallest to largest?

A
monosaccharide, disaccharide, polysaccharide
B
disaccharide, polysaccharide, monosaccharide
C
disaccharide, monosaccharide, polysaccharide
D
polysaccharide, disaccharide, monosaccharide
9

How are proteins and nucleic acids related?

A
They both provide energy.
B
They both carry genetic information.
C
The structure of proteins is determined by nucleic acids.
D
The subunits of nucleic acids are also the subunits of proteins.
10

The picture shows a carafe of olive oil.What is one of the primary functions of this food in the body?

Question illustration
A
building proteins
B
storing energy
C
providing structure to cell walls
D
carrying genetic information

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Macromolecules Answers — Biology_A_IC