Discussion
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- Question
How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence?
Options- A. One
- B. Two
- C. Three
- D. Four
- Correct Answer
- Two
- 1. What enzyme forms covalent bonds between restriction fragments?
Options- A. DNA primase
- B. DNA helicase
- C. DNA polymerase
- D. DNA ligase Discuss
- 2. The ribosomes are composed of
Options- A. proteins
- B. RNA
- C. both (a) and (b)
- D. lipids Discuss
- 3. A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell?
Options- A. It is in the heart muscle
- B. It is also the site of production for the signaling molecule
- C. It contains the receptor for the signaling molecule
- D. It is incapable of signal transduction Discuss
- 4. The most toxic compounds is
Options- A. tyrosine
- B. phenylpyruvate
- C. lysine
- D. phenylalanine Discuss
- 5. Which is required for protein synthesis?
Options- A. tRNA
- B. mRNA
- C. rRNA
- D. All of these Discuss
- 6. Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
Options- A. Mitochondrion
- B. Lysosome
- C. Golgi apparatus
- D. Endoplasmic reticulum Discuss
- 7. How many ATPs are formed during complete oxidation of palmitate?
Options- A. 35
- B. 96
- C. 129
- D. 131 Discuss
- 8. The occurrence of metals such as iron or molybdenum in some flavoproteins can
Options- A. stabilize the semiquinone
- B. de-stabilize the semiquinone
- C. form chelation
- D. all of these Discuss
- 9. Why is golden rice pale yellow in color?
Options- A. It is rich in chlorophyll a.
- B. It is rich in beta-carotene.
- C. It is rich in chlorophyll b.
- D. It is rich in phycobilins. Discuss
- 10. Lipoic acid exists in
Options- A. oxidized form
- B. reduced form
- C. oxidized and reduced form both
- D. none of these Discuss
More questions
Correct Answer: DNA ligase
Correct Answer: both (a) and (b)
Correct Answer: It contains the receptor for the signaling molecule
Correct Answer: phenylpyruvate
Correct Answer: All of these
Correct Answer: Endoplasmic reticulum
Correct Answer: 129
Correct Answer: stabilize the semiquinone
Correct Answer: It is rich in beta-carotene.
Correct Answer: oxidized and reduced form both
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