Biochemistry Practice TestBiochemistry Practice Test

1. Which of these DOES NOT 1. Which of these DOES NOT release ATP?release ATP?

a.a. Decomposition reactionsDecomposition reactions

b.b. GlucoseGlucose

c.c. Breaking apart polymersBreaking apart polymers

d.d. Synthesis reactionsSynthesis reactions

2. Which of these statements is 2. Which of these statements is FALSE about organic compounds?FALSE about organic compounds?

a.a. Monomers make up polymers.Monomers make up polymers.

b.b. Polymers are larger than Polymers are larger than monomers. monomers.

c.c. Monomers are specific to each type Monomers are specific to each type of macromolecule. of macromolecule.

d.d. Monomers and polymers are similar Monomers and polymers are similar in size. in size.

3. Which of these molecules is 3. Which of these molecules is responsible for plant structures?responsible for plant structures?

a.a. GlucoseGlucose

b.b. cellulosecellulose

c.c. StarchStarch

d.d. glycogenglycogen

e.e. Unsaturated fatsUnsaturated fats

4. All of these form structures 4. All of these form structures EXCEPTEXCEPT

a.a. CholesterolCholesterol

b.b. Proteins Proteins

c.c. Saturated fatsSaturated fats

d.d. phospholipidsphospholipids

e.e. DNA DNA

5. All of these provide energy 5. All of these provide energy EXCEPTEXCEPT

a.a. FatsFats

b.b. Glycogen Glycogen

c.c. Starch Starch

d.d. ProteinsProteins

e.e. Glucose Glucose

6. What polymer is the instructions for 6. What polymer is the instructions for the amino acid sequence of proteins?the amino acid sequence of proteins?

a.a. NucleotideNucleotide

b.b. Glycerol Glycerol

c.c. Enzymes Enzymes

d.d. DNADNA

e.e. RNARNA

7. Identify the molecule: stores 7. Identify the molecule: stores energy long-term in plantsenergy long-term in plants

8. Identify the molecule: stores 8. Identify the molecule: stores energy short-term in animalsenergy short-term in animals

9. Identify the substrate in this 9. Identify the substrate in this chemical equation. chemical equation.

Lactose Lactose galactose + galactose + glucoseglucose

a.a. GalactoseGalactose

b.b. GlucoseGlucose

c.c. LactaseLactase

d.d. Lactose Lactose

lactase

10. Which of these statements is 10. Which of these statements is FALSE about enzymes?FALSE about enzymes?

a.a. They help determine the pH of a They help determine the pH of a solution.solution.

b.b. They do not get used up & can be They do not get used up & can be reused.reused.

c.c. They can be used in both synthesis They can be used in both synthesis & decomposition reactions. & decomposition reactions.

d.d. They are specific to their They are specific to their substrates. substrates.

11. Which 2 elements are always 11. Which 2 elements are always present in organic compounds?present in organic compounds?

a.a. Oxygen & nitrogenOxygen & nitrogen

b.b. Nitrogen & carbonNitrogen & carbon

c.c. Carbon & hydrogenCarbon & hydrogen

d.d. Hydrogen & oxygenHydrogen & oxygen