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Home ‣ Biochemistry ‣ Protein Synthesis See What Others Are Saying!
- Question
The peptidyl transferase reaction occurs
Options- A. on the large subunit
- B. on the small subunit
- C. between the subunit
- D. none of these
- Correct Answer
- on the large subunit
- 1. The sulphur containing side chain of cysteine is
Options- A. ampiphillic, highly reactive and capable of reacting with another cysteine
- B. hydrophillc, highly reactive and capable of reacting with another cysteine
- C. hydrophobic, highly reactive and capable of reacting with another cysteine
- D. none of the above Discuss
- 2. Signal sequences are part of a protein that
Options- A. signal folding of the protein
- B. signal the protein synthesis on the ribosomes is ended
- C. transport proteins to other sites within the cell
- D. refold proteins in prion-associated diseases Discuss
- 3. In the presence of tryptophan in the cell, the repressor is __________
Options- A. bound to tryptophan
- B. bound to DNA
- C. bound to both DNA and tryptophan
- D. bound to neither tryptophan nor DNA Discuss
- 4. What is a protein produced by host cells infected by viruses?
Options- A. Interferon
- B. Histamine
- C. Antiserum
- D. Vaccine Discuss
- 5. What do NAD+, NADP+, and FAD+ all have in common?
Options- A. They are reduced
- B. They have a full complement of electrons
- C. They are oxidized
- D. They are what is used during carbon fixation in photosynthesis Discuss
- 6. Which of the following statements about energy metabolism is false?
Options- A. The energy that powers living systems ultimately comes from the sun
- B. All animals in some way rely on plants for their energy
- C. Plants provide the water and CO2 that animals need to carry out respiration
- D. All eukaryotic organisms carry out respiration in the presence of O2 Discuss
- 7. In eukaryotes, electron transport occurs in
Options- A. membranes and mitochondria
- B. endoplasmic reticulum
- C. cytoplasm
- D. all of the above Discuss
- 8. Which of the Rous sarcoma virus has a homologous cellular protein?
Options- A. c-src
- B. v-src
- C. v-ha-src
- D. v-ha-ras Discuss
- 9. HPLC stands for
Options- A. High Pressure Liquid Chromatography
- B. High Performance Liquid Chromatography
- C. both (a) and (b)
- D. Highly Placed Liquid Chromatography Discuss
- 10. If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water?
Options- A. be repelled by water
- B. It will be attracted to water
- C. It will form a membrane in water
- D. It will act as a buffer and stabilize the pH Discuss
More questions
Correct Answer: hydrophobic, highly reactive and capable of reacting with another cysteine
Correct Answer: transport proteins to other sites within the cell
Correct Answer: bound to both DNA and tryptophan
Correct Answer: Interferon
Correct Answer: They are oxidized
Correct Answer: Plants provide the water and CO2 that animals need to carry out respiration
Correct Answer: membranes and mitochondria
Correct Answer: c-src
Correct Answer: both (a) and (b)
Correct Answer: be repelled by water
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