Characteristics of Life — Unit test Answers
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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.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
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
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.5
The picture shows a jar of honey.Which statement is correct about this food?
A
It contains disaccharides, a complex type of lipid.B
It contains monosaccharides, the simplest carbohydrateC
It contains starch, which gives it a sweet taste.D
It contains lipids, which give it a sweet taste.Did you find these answers helpful?
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