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- Question
The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?
Options- A. UAA and UAC
- B. AUG and AUA
- C. CAU and CAC
- D. UUA and UUC
- Correct Answer
- CAU and CAC
- 1. The vast majority of the molecules that act as energy carriers to power cellular activities are made in
Options- A. the nucleus
- B. the Golgi apparatus
- C. the cytosol
- D. the mitochondria and chloroplasts Discuss
- 2. Oxidative phosphorylation is to respiration as __________ is to photosynthesis
Options- A. carbon fixation
- B. electron transport chain
- C. light capture by chlorophyll
- D. reduction of NADPH Discuss
- 3. Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?
Options- A. Glycolysis; citric acid cycle; oxidative phosphorylation
- B. Glycolysis; oxidative phosphorylation; citric acid cycle
- C. Oxidative phosphorylation; citric acid cycle; glycolysis
- D. Glycolysis; fermentation Discuss
- 4. Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of H2O at the beginning of the light reactions end up attaching to
Options- A. O2 to make new H2O
- B. NADPH to make new glucose
- C. pyruvate to make ethanol
- D. electron transport carriers to make O2 Discuss
- 5. Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .
Options- A. cytosol; glucose; mitochondrion to complete fermentation
- B. cytosol; pyruvate; mitochondrion to complete fermentation
- C. cytosol; pyruvate; mitochondrion to complete cellular respiration
- D. mitochondrion; pyruvate; chloroplast to complete photosynthesis Discuss
- 6. What is the maximum absorption wavelength for photosystem I in green plants?
Options- A. 550 nm
- B. 600 nm
- C. 700 nm
- D. 750 nm Discuss
- 7. The anticodon of tRNA
Options- A. binds to rRNA
- B. binds to an amino acid
- C. binds to the Shine Dalgarno sequence
- D. binds to an mRNA codon Discuss
- 8. The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called
Options- A. ETS (electron transfer system in light reactions
- B. C4 pathway
- C. Photosystem II
- D. Calvin cycle Discuss
- 9. The amount of energy received from one ATP is
Options- A. 76 kcal
- B. 7.3 kcal
- C. 760 kcal
- D. 1000 kcal Discuss
- 10. What type of B cell remains dormant in the body, but can respond rapidly if the same antigen appears again?
Options- A. T cells
- B. Memory cells
- C. Plasma cells
- D. Macrophages Discuss
More questions
Correct Answer: the mitochondria and chloroplasts
Correct Answer: electron transport chain
Correct Answer: Glycolysis; fermentation
Correct Answer: O2 to make new H2O
Correct Answer: cytosol; pyruvate; mitochondrion to complete cellular respiration
Correct Answer: 700 nm
Correct Answer: binds to an mRNA codon
Correct Answer: C4 pathway
Correct Answer: 7.3 kcal
Correct Answer: Memory cells
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