Biochemistry Amino Acids Amino Acids – Structure and Properties Time limit: 0 Quiz Summary 0 of 7 Questions completed Questions: Information You have already completed the quiz before. Hence you can not start it again. Quiz is loading… You must sign in or sign up to start the quiz. You must first complete the following: Results Quiz complete. Results are being recorded. Results 0 of 7 Questions answered correctly Your time: Time has elapsed Categories amino acids 0% 1 2 3 4 5 6 7 Current Review / Skip Answered Correct Incorrect Question 1 of 7 1. Question Which amino acid has the following structure at a pH of 7.4? 1. histidine 2. tryptophan 3. arginine 4. lysine 5. asparagine Correct Incorrect Question 2 of 7 2. Question What are the three-letter and single-letter abbreviations for the following amino acid? 1. Ser, S 2. Thr, T 3. Tyr, Y 4. Asp, D 5. Cys, C Correct Incorrect Question 3 of 7 3. Question At what pH would the following form of arginine be the dominant species? 1. 12.5 2. 7.0 3. 9.0 4. 1.0 Correct Incorrect Question 4 of 7 4. Question Which amino acid has a phenol group in its side chain? 1. T 2. Q 3. W 4. F 5. Y Correct Incorrect Question 5 of 7 5. Question Which is the only achiral amino acid? 1. achiraline 2. alanine 3. glycine 4. valine 5. proline Correct Incorrect Question 6 of 7 6. Question Which amino acid has the single-letter abbreviation of Q? 1. Gln 2. Glu 3. Met 4. Pro 5. Asn Correct Incorrect Question 7 of 7 7. Question Which of the following amino acids have an L-configuration? Select all that apply. 1. A 2. D 3. B 4. C Correct Incorrect
