A Best Way To Crack Gorenment Job Exams

Microbiology Objective Questions { Energy Release and Conservation }



1.  Organisms can synthesize ATP by oxidative phosphorylation when they
A.ferment
B.oxidize glucose to pyruvate
C.pass electrons from the oxidation of chlorophyll through an electron transport system
D.pass electrons to oxygen through an electron transport system containing cytochromes
Discuss in Forum

2. How many molecules of carbon dioxide will be given off during ten turns of the Krebs cycle?
A.10
B.20
C.30
D.40
Discuss in Forum

3. In cellular metabolism, O2 is used
A.to provide electrons for photophosphorylation
B.in glycolysis
C.as a terminal electron acceptor
D.in the Krebs cycle
Discuss in Forum

4. In glycolysis, ATP is created by
A.photophosphorylation
B.the chemiosmotic mechanism
C.substrate level phosphorylation
D.the pentose phosphate pathway
Discuss in Forum

5. Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?
A.Cellular respiration
B.Photosynthesis
C.Mitosis
D.Cell wall synthesis
Discuss in Forum

6. Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?
A.Ethanol keeps the electron transport system functioning
B.Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
C.The process generates oxygen, which is required for glycolysis
D.The process regenerates NAD+, which is required for glycolysis
Discuss in Forum

7. The final electron acceptor in the electron transport chain is
A.CoQ
B.a cytochrome
C.FMN
D.oxygen
Discuss in Forum

Page 1 of 5

 1  23 »