Microbial Metabolism
The Quiz is a part of the class today on Microbial Metabolism.
- 1.The process of converting chemical energy of glucose into the chemical bonds of ATP is called?
- A.
Glycolysis
- B.
Conversion
- C.
Cellular respiration
- D.
Energy
- 2.With respect to the element carbon, respiration is a(n) _________ reaction.
- A.
Dehydration synthesis.
- B.
Digestion.
- C.
Oxidation.
- D.
Reduction.
- 3.The role of oxygen in aerobic respiration is
- 4.Respiration is important because
- A.
Its waste heat helps to warm the environment.
- B.
It conserves energy.
- C.
Enzymes require it.
- D.
It recycles energy.
- 5.When glucose is broken down to carbon dioxide and water during aerobic respiration, more than 60% of its energy is released as
- A.
Oxygen
- B.
Carbon dioxide
- C.
Heat
- D.
ATP
- 6.The summary equation for photosynthesis is
- A.
CO2 + H2O → C6H12O6 + O2 + ATP + Heat
- B.
C6H12O6 + O2 → CO2 + H2O + ATP + Heat
- C.
CO2 + H2O → C6H12O6 + O2
- D.
C6H12O6 + CO2 + Ethyl alcohol + ATP + Heat
- 7.The oxygen released into the air as a product of photosynthesis comes from
- A.
Chlorophyll
- B.
Carbon dioxide
- C.
Water
- D.
None of the choices are correct
- 8.Why are (most) plants green?
- A.
Chlorophyll a reflects green light.
- B.
Chlorophyll b primarily uses green light as the source of energy for photosynthesis.
- C.
Green helps plants blend into their environment as a sort of camouflage.
- D.
Chlorophyll a absorbs green light.
- 9.Nitrogen fixation involves the enzyme __________ catalyzing the reaction:N2 + 10 ____ + ___ e- ---> 2 NH4 + H2
- A.
Nitrate reductase; H2O; 6
- B.
Nitrogenase; H+; 8
- C.
Nitrogenase; H+; 2
- D.
Nitrogen reductase; H2O; 6
- 10.Nitrogenase complex → complex enzyme with multiple redox centers that carries out nitrogen fixation (reductase - provides electrons with high reducing power / nitrogenase - uses these electrons to reduce N2 to NH3)
- A.
True
- B.
False
Questions: 31 | Attempts: 286483 | Last updated: Oct 29, 2021
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