Discussion
Home ‣ Biochemistry ‣ Structure and Properties of Amino Acids Comments
- Question
Which of the following is not an essential amino acid?
Options- A. Aspartic acid
- B. Glutamic acid
- C. Glycine
- D. All of these
- Correct Answer
- All of these
- 1. Which of the following is a nonprotein amino acid?
Options- A. Dopamine
- B. Hydroxylysine
- C. Cystine
- D. None of these Discuss
- 2. What is the end product of leucine metabolism?
Options- A. Acetyl-CoA
- B. Pyruvic acid
- C. Oxaloacetic acid
- D. Acetyl carnitine Discuss
- 3. Amino acids required in the human diet and not synthesized by the body are called
Options- A. specialized
- B. trace
- C. essential
- D. accessory Discuss
- 4. The ?-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ .
Options- A. 1.1, and 12.1
- B. 6.5, and 8.0
- C. 3.3, and 10.5
- D. 2.2, and 9.4 Discuss
- 5. What is the heaviest of the twenty amino acids?
Options- A. Phenylalanine
- B. Tryptophan
- C. Tyrosine
- D. Histidine Discuss
- 6. Molecules that bear charged groups of opposite polarity are known as
Options- A. zwitterions
- B. ambions
- C. ion conversion
- D. amphions Discuss
- 7. Which of the following amino acids can form hydrogen bonds with their side (R) groups?
Options- A. Asparagine
- B. Aspartic acid
- C. Glutamine
- D. All of these Discuss
- 8. Which of the following is a nonstandard amino acid?
Options- A. Cysteine
- B. Isoleucine
- C. Hydroxyproline
- D. Histidine Discuss
- 9. Coomassie Blue stains the proteins by reacting with
Options- A. arginine residues
- B. free c-termini
- C. peptide bonds
- D. aromatic ring Discuss
- 10. The isoelectric point of an amino acid is defined as the pH
Options- A. where the molecule carries no electric charge
- B. where the carboxyl group is uncharged
- C. where the amino group is uncharged
- D. of maximum electrolytic mobility Discuss
Structure and Properties of Amino Acids problems
Search Results
Correct Answer: Dopamine
Correct Answer: Acetyl-CoA
Correct Answer: essential
Correct Answer: 2.2, and 9.4
Correct Answer: Tryptophan
Correct Answer: zwitterions
Correct Answer: All of these
Correct Answer: Hydroxyproline
Correct Answer: arginine residues
Correct Answer: where the molecule carries no electric charge
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