Biomolecules Quiz #2

Chains of amino acids are

• proteins

• nucleic acids

• carbohydrates

• lipids

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A ___________________ is an organic molecule used as the body's primary source of energy.

• protein

• nucleic acid

• carbohydrate

• lipid

Which biomolecule builds muscle tissue?

• protein

• nucleic acid

• carbohydrate

• lipid

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NGSS.HS-LS1-6

Which biomolecule cushions vital organs, insulates the body and is a source of long-term energy?

• lipids

• carbohydrates

• protein

• nucleic acids

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NGSS.MS-LS1-7

Carbohydrates are

• chains of amino acids

• a secondary source of energy

• the primary source of energy

• nucleic acids

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Which statement describes the major role of lipids wihtin the cell?

• They cause DNA to replicate.

• They move RNA in the cytoplasm.

• They catalyze chemical reactions in the cell cytoplasm.

• They are the main structural components of membranes.

A dog gets many nutrients from its food including amino acids. Which of these can be built directly using the amino acids?

• proteins

• carbohydrates

• lipids

• minerals

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NGSS.HS-LS1-1

Starch from food is a source of energy for organisms. Starch is a type of-

• protein

• vitamin

• nucleotide

• carbohydrate

The major role of carbohydrates in the human diet is to-

• form cell membranes

• catalyze cellular reactions

• supply energy for the body

• provide building blocks for proteins

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NGSS.HS-LS1-7

All enzymes are examples of organic molecules known as

• proteins

• carbohydrates

• lipids

• nucleic acids

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NGSS.HS-LS1-1