Macromolecules Test Review

The macromolecules that make up the majority of the cell membrane’s structure are .

• lipids

• proteins

• enzymes

• carbohydrates

The macromolecules that would most likely be involved in contracting muscles would be .

• lipids

• proteins

• enzymes

• carbohydrates

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There are several levels of protein structure, the most complex of which is quaternary. Why are there so many

different ways our bodies make proteins?

• We use them mainly for energy

• The cell is not allowed to make only one shape of protein.

• The form of the protein fits its function.

• Both A and B

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If available, the body will always digest which macromolecule for energy first?

• lipids

• proteins

• enzymes

• carbohydrates

Animals store most of their excess energy reserves as _______ because...

• glucose; it is easy to break down.

• fat; they store twice as much energy per gram.

• protein; it is a compact source of energy in their bodies.

• carbohydrates; they store twice as much energy per gram of glucose.

We obtain all of the macromolecules from the food that we eat except for .

• carbohydrates

• proteins

• lipids

• nucleic acids

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Sugars, starches, and cellulose are all types of ___.

• proteins

• lipids

• carbohydrates

• nucleic acids

Glucose is a type of this macromolecule.

• Proteins

• lipids

• carbohydrates

• nucleic acids

Nucleotides are the monomer of this macromolecule.

• proteins

• lipids

• carbohydrates

• nucleic acids

Amino acids connected by peptide bonds create ___.

• proteins

• lipids

• carbohydrates

• nucleic acids

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