BIO 130 CHECK YOUR UNDERSTANDING

BIO 130 CHECK YOUR UNDERSTANDING

1. Two products of the light-dependent reactions, which become reactants for the light-independent reactions, are:
a. ATP and NADP.
b. CO2 and H2O.
c. O2 and ATP.
d. ATP and NADPH2.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
2. The largest amount of energy is obtained from:
a. the Krebs cycle.
b. glycolysis.
c. fermentation.
d. the electron transport system.
Hint: Section 6.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4B:Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport
system.
1
3. In converting carbohydrates into fats, acetyl molecules are combined to form:
a. amino acid.
b. glycerol.
c. fatty acid.
d. keto acid.
Hint: Section 6.6
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4F:Identify subunits from fats and proteins that are metabolized by aerobic respiration.
1
4. Thylakoids are found in:
a. chloroplasts.
b. mitochondria.
c. liver cells.
d. fungal cells.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4K:Determine the role of pigments in photosynthesis.
1
5. The ATP and NADPH produced in the light-dependent reaction stage:
a. become reactants for cellular respiration.
b. are waste products that the plant eliminates.
c. become the raw materials for the light-independent reaction stage.
d. are the end products of photosynthesis.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
6. In comparing aerobic and anaerobic cellular respiration, how much more effective is aerobic cellular respiration in net energy release?
a. 18 times (36 ATP: 2 ATP)
b. 20 times (40 ATP: 2 ATP)
c. 2 times (4 ATP: 2 ATP)
d. 17 times (34 ATP: 2 ATP)
Hint: Section 6.4 and Section 6.5
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4D:Compare the biochemical pathways utilized and the energy yield of aerobic cellular respiration.
1
7. Ultimately, all organisms are dependent on photosynthesis for their food.
a. True
b. False
Hint: Section 7.1
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4K:Determine the role of pigments in photosynthesis.
1
8. Complete this equation: Pyruvic Acid + Hydrogen ? Carbon Dioxide + ______.
a. Oxygen
b. Acetyl
c. Ethyl alcohol
d. Light
Hint: Section 6.5
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4B:Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport
system.
0
9. A correct equation for photosynthesis is:
a. SUN + 6O2 + 6CO2 C6H12O6 + 6H2O.
b. SUN + C6H12O6 + 6O2 6CO2 + 6H2O.
c. SUN + 6CO2 + 6H2O C6H12O6 + 6O2.
d. SUN + 6CO2 6H2O + C6H12O6 + 6O2.
Hint: Section 7.2
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
10. The light-independent reactions of photosynthesis (Calvin cycle) take place in the:
a. thylakoid.
b. cytoplasm.
c. grana.
d. stroma.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
11. When an amino acid is converted to a keto acid, it:
a. gains nitrogen.
b. becomes a fatty acid.
c. loses nitrogen.
d. becomes a pyruvic acid.
Hint: Section 6.6
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4D:Compare the biochemical pathways utilized and the energy yield of aerobic cellular respiration.
0
12. Aerobic cellular respiration requires the use of:
a. N2.
b. O2.
c. H2.
d. H2O.
Hint: Section 6.1
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4A:Explain the role of oxygen in aerobic respiration.
1
13. Keeping a plant under green light will:
a. result in death.
b. increase the rate of photosynthesis.
c. cause it to lose its accessory pigments.
d. cause it to set flowers.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4K:Determine the role of pigments in photosynthesis.
0
14. For the light-independent reactions to continue, glyceraldehydes-3-phosphate must be converted into:
a. ribulose.
b. carbon dioxide.
c. ATP.
d. glucose.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4J:Examine the role of glyceraldehyde-3-phosphate in plant metabolism.
1
15. The end product of glycolysis is:
a. ketone.
b. alcohol.
c. pyruvic acid.
d. lactic acid.
Hint: Section 6.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4B:Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport
system.
1
16. This portion of photosynthesis is a series of oxidation-reduction reactions during which light energy
is transferred to electrons so that the electrons move more rapidly.
a. Light-dependent reactions
b. Proton pump
c. Light capturing events
d. Light-independent reactions
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
17. This form of photosynthesis allows photosynthesis to occur in arid environments while reducing the potential for water loss.
a. Calvin cycle
b. Crassulacean acid metabolism
c. Photon cycle
d. Hydrologic cycle
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
1
18. The molecule that traps the sun's energy is:
a. ATP.
b. glyceraldehydes-3-phosphate.
c. chloroplast.
d. chlorophyll.
Hint: Section 7.2
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4K:Determine the role of pigments in photosynthesis.
1
19. Water molecules are a reactant for:
a. the electron transport system.
b. the light-independent reactions.
c. the light-dependent reactions.
d. glycolysis.
Hint: Section 7.3
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4I:Describe the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
0
20. In fermentation:
a. hydrogen combines with pyruvic acid.
b. pyruvic acid is changed to an amino acid.
c. sugar is changed to acetyl.
d. pyruvic acid is converted to hydrogen.
Hint: Section 6.5
SLO4:Analyze biochemical pathways and outline the processes of anaerobic cellular respiration and
photosynthesis.
LO4B:Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport
system.

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