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Home ‣ Biochemistry ‣ Structure and Properties of Amino Acids See What Others Are Saying!
- Question
Which amino acids would most likely reside in the membrane-anchoring domain of a membrane embedded protein?
Options- A. Isoleucine, valine and phenylalanine
- B. Phenylalanine, valine, and aspartate
- C. Leucine, threonine, and lysine
- D. Lysine, arginine and histidine
- Correct Answer
- Isoleucine, valine and phenylalanine
- 1. 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
- 2. 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
- 3. Lipoic acid exists in
Options- A. oxidized form
- B. reduced form
- C. oxidized and reduced form both
- D. none of these Discuss
- 4. The site on a bacterial chromosome that marks the termination point for chromosome replication is called
Options- A. ter
- B. a stop codon.
- C. a stem-loop
- D. pau Discuss
- 5. Which of the following components of a monochromator is the dispersing element?
Options- A. The collimating lens
- B. The entrance slit
- C. The diffraction grating
- D. None of these Discuss
- 6. NADP+ is reduced to NADPH during
Options- A. light dependent reactions
- B. photorespiration
- C. calvin cylcle
- D. none of these Discuss
- 7. Cellulose fibers resemble with the protein structure in the form of
Options- A. ?-sheets
- B. ?-helices
- C. ?-turns
- D. None of these Discuss
- 8. VLDLs are synthesized in
Options- A. blood
- B. liver
- C. intestine
- D. pancreas Discuss
- 9. The plasma membrane is a selectively permeable barrier due to presence of specific transport
Options- A. proteins
- B. amino acids
- C. carbohydrates
- D. none of these Discuss
- 10. In the intersystem crossing
Options- A. the spin of an excited electron reverses, changing the state of the molecule (from singlet state to triplet state or vice versa)
- B. a molecule converts its excess energy to light, and emits a photon
- C. a molecule converts excess electronic energy to vibrational energy
- D. all of the above Discuss
More questions
Correct Answer: stabilize the semiquinone
Correct Answer: It is rich in beta-carotene.
Correct Answer: oxidized and reduced form both
Correct Answer: ter
Correct Answer: The diffraction grating
Correct Answer: light dependent reactions
Correct Answer: ?-sheets
Correct Answer: liver
Correct Answer: proteins
Correct Answer: the spin of an excited electron reverses, changing the state of the molecule (from singlet state to triplet state or vice versa)
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