Energy
1. Which one of the following enzymes is not correctly matched to its substrate?
a. Lactase-lactose
b. Cellulase-cellulose
c. Amylase-starch
d. Maltase-maltose
e. Lipase-protein
2. Respiration produces ATP by:
a. Splitting glucose
b. A flow of protons (hydrogen ions)
c. Splitting oxygen
d. Combining protons with oxgyen
e. Producing lactic acid
3. Glucose, made from six radioactive carbon atoms, is fed to muscle cells that are metabolizing glucose by fermentation. How many molecules of radioactive lactic acid will be formed from each molecule of glucose?
a. 0
b. 1
c. 2
d. 4
e. 6
4. Which of the following compounds has the greatest amount of energy per molecule?
a. ATP
b. Glucose
c. Carbon dioxide
d. Lactic acid
e. Ethyl alcohol
5. How many molecules of carbon dioxide will be given off from the complete metabolism of 1 molecule of glucose?
a. 0
b. 1
c. 2
d. 4
e. 6
6. Which one of the following compounds is more typical of animal metabolism than of plant metabolism?
a. Carbon dioxide
b. Lactic acid
c. ATP
d. Glucose
e. Starch
7. Which of the following is the most correct equation for respiration?
a. Glucose + oxygen -> carbon dioxide + water
b. Carbon dioxide + water -> glucose + oxygen
c. Glucose + water -> carbon dioxide + oxygen
d. Starch -> glucose + oxygen
e. Carbon dioxide + oxygen -> glucose + water
8. Which one of the following substances is not required at some stage during photosynthesis?
a. ADP
b. Molecular oxygen
c. Water
d. ATP
e. NADP
9. In the dark reaction of photosynthesis:
a. Carbon dioxide is incorporated into an organic molecule
b. Oxygen is produced
c. Water is split
d. ATP is synthesized
e. Electrons are returned to the chlorophyll molecule
10. Green plants will not be able to grow in which of the following wavelengths?
a. White
b. Red
c. Green
d. Blue
e. None of the above
11. Suppose you are measuring carbon dioxide exchange by a leaf. During the time period of your measurements, 6 molecules of carbon dioxide are used in photosynthesis and 1 molecule of glucose is used in cellular respiration. How many net molecules of carbon dioxide would you detect being taken up by the leaf in your measurements?
a. 0
b. 1
c. 3
d. 6
e. 12
12. The products of the light reaction on which the dark reaction are dependent are:
a. Carbon dioxide and water
b. ATP and NADPH
c. Glucose and oxygen
d. ATP and oxygen
e. NADPH and chlorophyll
13. The oxygen atoms given off during plant photosynthesis are from:
a. Glucose
b. Carbon dioxide
c. Water
d. The air
e. Chlorophyll
14. Which one of the following pairs does not belong with the others?
a. Carbohydrates-sugars
b. Lipids-fatty acids
c. Proteins-amino acids
d. Disaccharides-sugars
e. Lipids-fats
15. Which one of the following is digested in your mouth?
a. Lactose
b. Starch
c. Protein
d. Lipids
e. Maltose