AnswersFL-2000310-Biology 1 Sem 1 - FlexAssessing Claims and Evidence

Macromolecules Answers

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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.
2
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Glycogen is an energy-storage molecule in humans. A hormone that is called insulin controls the storage of glycogen in the liver. Insulin is made up of amino acids. Which statement correctly identifies the types of macromolecules that are described?

A
Glycogen is a protein, and insulin is a lipid.
B
Glycogen is a protein, and insulin is a protein.
C
Glycogen is a carbohydrate, and insulin is a lipid.
D
Glycogen is a carbohydrate, and insulin is a protein.
3

Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogenWhich molecule could he make that consists of long chains of red and black colored balls?

A
carbohydrates
B
lipids
C
nucleic acids
D
proteins
4

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
5

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
6

How does a dietician help a patient?

A
A dietician treats vision problems.
B
A dietician cures genetic disorders.
C
A dietician performs surgery on patients to improve digestion.
D
A dietician helps patients get the proper amount of nutrients.
7

Which substance is a nucleic acid?

A
amino acid
B
fat
C
polysaccharide
D
RNA
8

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.
9

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.
10

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.

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