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- Question
What does the retention factor, k', describe?
Options- A. The distribution of an analyte between the stationary and the mobile phase
- B. The migration rate of an analyte through a column
- C. The velocity of the mobile phase
- D. All of these
- Correct Answer
- The migration rate of an analyte through a column
- 1. Which of the following is not a feature of oxidative phosphorylation?
Options- A. Direct transfer of phosphate from a substrate molecule to ADP
- B. An electrochemical gradient across the inner mitochondrial membrane
- C. A membrane bound ATP synthase
- D. A protonmotive force Discuss
- 2. Which of the following is a hormone whose action requires a cell surface receptor?
Options- A. Nitric oxide
- B. Progesterone
- C. Adrenaline
- D. Growth factors Discuss
- 3. Which of the following comes under the category of cell surface receptor?
Options- A. Enzyme linked receptors
- B. Ion-channel linked receptors
- C. G protein linked receptors
- D. All of these Discuss
- 4. Which of the following compounds is responsible for coordinated regulation of glucose and glycogen metabolism?
Options- A. NAD+
- B. Fructose 2,6 bisphosphate
- C. Acetyl-CoA
- D. Fructose 1,6 bisphosphate Discuss
- 5. Enhancers are regions that
Options- A. bind RNA polymerase
- B. are adjacent to the TATA box
- C. are CAT box binding proteins
- D. modulate transcription Discuss
- 6. Which of the following gases is unsuitable for use as a GC carrier gas?
Options- A. Nitrogen
- B. Helium
- C. Oxygen
- D. All of the above Discuss
- 7. Hydrogen (electron) acceptor in the light reactions is
Options- A. ADP
- B. NADP+
- C. NAD+
- D. FADH Discuss
- 8. Which of the following may be added to stabilize the protein after yeast cells disruption?
Options- A. NaCl
- B. Protease inhibitor
- C. AMP
- D. All of these Discuss
- 9. The 5' and 3' numbers are related to the
Options- A. length of the DNA strand
- B. carbon number in sugar
- C. the number of phosphates
- D. the base pair rule Discuss
- 10. Exocytosis is the secretion of proteins
Options- A. out of the cell across the plasma membrane into the extracellular space
- B. out of the cell across the plasma membrane into the intracellular space
- C. is the uptake of macromolecules from the extracellular space into the cell across the plasma membrane
- D. is the uptake of macromolecules from the intracellular space into the cell across the plasma membrane Discuss
More questions
Correct Answer: Direct transfer of phosphate from a substrate molecule to ADP
Correct Answer: Adrenaline
Correct Answer: All of these
Correct Answer: Fructose 2,6 bisphosphate
Correct Answer: modulate transcription
Correct Answer: Oxygen
Correct Answer: NADP+
Correct Answer: All of these
Correct Answer: carbon number in sugar
Correct Answer: out of the cell across the plasma membrane into the extracellular space
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