Discussion
Home ‣ Biochemistry ‣ Cell Signalling and Transduction See What Others Are Saying!
- Question
The hormone or ligand can be considered as
Options- A. first messenger
- B. second messenger
- C. both (a) and (b)
- D. none of these
- Correct Answer
- first messenger
- 1. The pH of a solution is determined by
Options- A. concentration of salt
- B. relative concentration of acids and bases
- C. dielectric constant of the medium
- D. environmental effect Discuss
- 2. A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule?
Options- A. DNA
- B. Strong base
- C. Phospholipid
- D. Protein Discuss
- 3. Which of the following character does not apply to water?
Options- A. The water molecule is asymmetric
- B. The water molecule readily forms hydrophobic interactions
- C. The covalent bonds in water are highly polarized
- D. All three atoms in the water molecule readily form hydrogen bonds Discuss
- 4. Rocket Immunodiffusion is also known as
Options- A. gel diffusion
- B. electroimmunodiffusion
- C. double-diffusion
- D. none of these Discuss
- 5. The effectiveness or capacity of a buffer solution can be affected by
Options- A. molar concentration of the buffer components
- B. concentration of the conjugate base to the weak acid
- C. both (a) and (b)
- D. temperature of buffer components Discuss
- 6. The packing ratio of nucleosomes is about
Options- A. 6
- B. 8
- C. 7
- D. 9 Discuss
- 7. The sequence of letters 'WYQN' will represent
Options- A. Tryptophan, tyrosine, glutamic acid, asparagine
- B. Tryptophan, tyrosine, glutamine, asparagine
- C. Tryptophan, glutamine, tryptophan, asparagine
- D. Glutamine, tyrosine, tryptophan, aspartic acid Discuss
- 8. Protein fluorescence arises primarily from which residue?
Options- A. Arginine
- B. Tryptophan
- C. Tyrosine
- D. Phenylalanine Discuss
- 9. The unfolding of regular secondary structure causes
Options- A. little increase in the entropy of protein
- B. large decrease in the entropy of the protein
- C. no change in the entropy of the protein
- D. large increase in the entropy of the protein Discuss
- 10. A protein that binds two ligands in a non-cooperative manner will show
Options- A. a sigmodial binding curve
- B. a hyperbolic binding curve
- C. a linear Scatchard Plot
- D. both (b) and (c) Discuss
More questions
Correct Answer: relative concentration of acids and bases
Correct Answer: Protein
Correct Answer: The water molecule readily forms hydrophobic interactions
Correct Answer: electroimmunodiffusion
Correct Answer: both (a) and (b)
Correct Answer: 7
Correct Answer: Tryptophan, tyrosine, glutamine, asparagine
Correct Answer: Tryptophan
Correct Answer: large increase in the entropy of the protein
Correct Answer: both (b) and (c)
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