1. Biochemistry Practice Test

2. 1. Which of these DOES NOT release ATP?
Decomposition reactions
Glucose
Breaking apart polymers
Synthesis reactions

3. 2. Which of these statements is FALSE about organic compounds?
Monomers make up polymers.
Polymers are larger than monomers.
Monomers are specific to each type of macromolecule.
Monomers and polymers are similar in size.

4. 3. Which of these molecules is responsible for plant structures?
Glucose
cellulose
Starch
glycogen

5. 4. The main function of All of these is to form structures EXCEPT for
Cholesterol
Proteins
Saturated fats
phospholipids

6. 5. All of these provide energy EXCEPT
Fats
Glycogen
Starch
Proteins

7. Nucleotide Enzymes DNA RNA
6. What polymer is the instructions for the amino acid sequence of proteins?
Nucleotide
Enzymes
DNA
RNA

8. 7. Identify the substrate in this chemical equation.
lactase
Lactose galactose + glucose
Galactose
Glucose
Lactase
Lactose

9. 8. Which of these statements is FALSE about enzymes?
They help determine the pH of a solution.
They do not get used up & can be reused.
They can be used in both synthesis & decomposition reactions.
They are specific to their substrates.

10. 8. Which of these statements is FALSE about enzymes?
They help determine the pH of a solution.
They do not get used up & can be reused.
They can be used in both synthesis & decomposition reactions.
They are specific to their substrates.

11. 9. Saturated fats are found in animals & by-products include butter
9. Saturated fats are found in animals & by-products include butter. They have single bonds. Unsaturated fats are found in plants & by-products include oils. They have at least one 2x bond.
A 2x bond causes a kink, preventing them from stacking together. Therefore, unsaturated fats are liquid at room temperature.
A 2x bond causes a kink, preventing them from stacking together. Therefore, saturated fats are liquid at room temperature.
Fewer H causes the fat molecules to strongly stick to each other. Therefore, unsaturated fats are solid at room temperature.
Fewer H causes the fat molecules to strongly stick to each other. Therefore, saturated fats are liquid at room temperature.

12. 10. Which of these best explains the effects of a denatured enzyme?
The substrate changes & reactions speed up.
The active site changes & reactions can’t occur.
The active site remains the same & reactions occur quickly.
The substrate remains the same & reactions slow down.