Biomolecules and Cell Membrane Review

Which of the following is a primary function of carbohydrates in the body?

• Store genetic information

• Provide energy

• Catalyze biochemical reactions

• Form cell membranes

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DOK Level 1: Recall

Identify the type of bond that forms between amino acids in a protein.

• Ionic bond

• Hydrogen bond

• Peptide bond

• Covalent bond

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DOK Level 1: Recall

Which element is a key component of all proteins?

• Carbon

• Nitrogen

• Oxygen

• Phosphorus

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DOK Level 1: Recall

Explain how enzymes affect the rate of chemical reactions.

• They increase the activation energy required.

• They decrease the activation energy required.

• They change the products of the reaction.

• They are consumed in the reaction.

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DOK Level 2: Skill/Concept

Describe the role of lipids in the cell membrane.

• They provide structural support.

• They store genetic information.

• They act as enzymes.

• They form a barrier to protect the cell.

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DOK Level 2: Skill/Concept

Which biomolecule is primarily responsible for storing genetic information?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

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DOK Level 1: Recall

How do enzymes specifically recognize their substrates?

• By random collision

• By complementary shapes

• By electrical charge

• By temperature

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DOK Level 2: Skill/Concept

Which of the following is a function of proteins in our digestive system?

• Energy storage

• Catalyzing reactions (Pepsin)

• Transporting substances (protein channels)

• Storing genetic information

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DOK Level 2: Skill/Concept

Which of the following elements is not commonly found in carbohydrates?

• Carbon

• Hydrogen

• Nitrogen

• Oxygen

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DOK Level 1: Recall

What is the effect of pH on enzyme activity?

• Enzymes are unaffected by pH.

• Enzymes work best at extreme pH levels.

• Enzymes have an optimal pH range.

• Enzymes are denatured at neutral pH.

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DOK Level 2: Skill/Concept