PBS Lesson 2.2 Review

The 4 macromolecules are:

• proteins, carbohydrates, sugars, and lipids

• proteins, carbohydrates, lipids, and nucleic acids

• carbohydrates, lipids, enzymes, and monosaccharides

• carbohydrates, nucleic acids, amino acids, and lipids

Which four elements are most common in the human body?

• carbon, hydrogen, oxygen, nitrogen

• carbon, hydrogen, oxygen, aluminum

• carbon, chlorine, zinc, nitrogen

• carbon, nitrogen, calcium, sodium

What would be a proper diet for a person with diabetes?

• a low sugar and low fat diet

• a low sugar and high fat diet

• a high sugar and low fat diet

• a high sugar and high fat diet

Carbohydrates are used mainly for:

• genetic material

• hair and fingernails

• lipid storage

• energy

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Proteins are made of:

• fatty acids

• amino acids

• nucleic acids

• carbohydrates

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Nucleic acids are used by our body for:

• storing genetic information

• energy

• forming muscle tissue

• enzymes

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Examples of proteins are:

• sugar and starch

• enzymes and hormones

• DNA and RNA

• triglycerides and phospholipids

Nucleotides are the building blocks of:

• carbohydrates

• lipids

• proteins

• nucleic acids

Triglycerides, which can be saturated or unsaturated, are classified as:

• carbohydrates

• lipids

• proteins

• nucleic acids

Carbohydrates are made of simple sugars called:

• monosaccharides

• nucleotides

• amino acids

• sucrose

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