Unit 2: Biochemistry Review

Fats, oils, and cholesterols are all types of

• Cell membranes

• Hormones

• Lipids

• Fatty acids

DNA and RNA are two types of

• Proteins

• Nucleic Acids

• Lipids

• Carbohydrates

All of the following are monosaccharides, or simple sugars EXCEPT

• Glucose

• Fructose

• Sucrose

• Galactose

Which of the following includes the functional role of proteins? i. Transportation of materials ii. Catalysts such as enzymes iii. Take part in various chemical reactions

• I and II

• II and III

• I, II, and III

• None of the Above

Identify the reactants in the following chemical reaction: A + B → C + D

• A and D

• B and C

• A and B

• C and D

Based on the graph, what is the optimum temperature range in which this enzyme works best?

• 25° - 35°

• 5° - 15°

• 35° - 47°

• 5° - 40°

What is the main function of carbohydrates in living organisms?

• Store genetic information

• Provide energy

• Act as enzymes

• Form cell membranes

Tags

NGSS.HS-LS2-3

Which of the following is a lipid?

• Starch

• Cellulose

• Cholesterol

• Hemoglobin

What is a role of enzymes in biochemical reactions?

• Increase the temperature

• Decrease the activation energy

• Provide energy

• Store information

Which of the following best describes a catalyst?

• A substance that increases the activation energy

• A substance that speeds up a chemical reaction without being consumed

• A reactant in a chemical reaction

• A product of a chemical reaction

Tags

NGSS.HS-PS1-5