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- Question
In algae, photosynthesis takes place in
Options- A. choloroplasts
- B. cell membrane
- C. mitochondria
- D. none of the above
- Correct Answer
- choloroplasts
- 1. The site of protein synthesis is
Options- A. Ribosome
- B. Nucleus
- C. Endoplasmic reticulum
- D. Chromosome Discuss
- 2. Which of the following is an essential amino acid?
Options- A. Tryptophan
- B. Methionine
- C. Lysine
- D. All of these Discuss
- 3. Gel-filtration chromatography separates on the basis of
Options- A. size and shape using porous beads packed in a column
- B. size using porous beads packed in a column
- C. shape using porous beads packed in a column
- D. none of the above Discuss
- 4. Unpaired H-bond donors and acceptors are found in the hydrophobic core of a protein
Options- A. only at the ends of a-helices
- B. only at the turns connecting p-strands
- C. only on Pro residues
- D. rarely Discuss
- 5. Which of the following components of the vertebrate immune response occurs first upon invasion by a virus or bacterium?
Options- A. Activation of killer T lymphocytes
- B. Activation of B lymphocytes
- C. The inflammatory response
- D. Mobilization of complement proteins Discuss
- 6. The accepted hypothesis for DNA replication is
Options- A. conservative theory
- B. dispersive theory
- C. semi-conservative theory
- D. evolutionary theory Discuss
- 7. Iodine is a part of thyroid hormone and is essential for the prevention of
Options- A. goiter
- B. osteoporosis
- C. muscle weakness
- D. diarrhea Discuss
- 8. In active transport, the membrane structure that functions is
Options- A. cholesterol
- B. integral proteins
- C. carbohydrates
- D. hydrophobic molecules Discuss
- 9. Serine and threonine are polar amino acids due to
Options- A. reactive hydroxyl group in the side chain
- B. reactive alcoholic group in the side chain
- C. reactive keto group in the side chain
- D. reactive aldehyde group in the side chain Discuss
- 10. Deoxyribonucleoside triphosphates, being need in the chain termination methods are
Options- A. dATP
- B. dGTP and dCTP
- C. dTTP
- D. all of these Discuss
More questions
Correct Answer: Ribosome
Correct Answer: All of these
Correct Answer: size and shape using porous beads packed in a column
Correct Answer: rarely
Correct Answer: The inflammatory response
Correct Answer: semi-conservative theory
Correct Answer: goiter
Correct Answer: integral proteins
Correct Answer: reactive hydroxyl group in the side chain
Correct Answer: all of these
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