Biotechnology
GATE BT concept:amino-acids PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:amino-acids
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.
Question 38
Open questionBTMCQ2 marksNeeds review
An octapeptide composed of these L-amino acids — Lys, Thr, Ser, Met, Arg, Trp, Tyr, Glu — was subjected to analyses with the following outcomes:
P. The N-terminal sequencing analysis by Sanger’s method yielded ‘Ser’ at the N-terminus
Q. Chymotrypsin treatment gave a pentapeptide, a ‘Tyr’ containing dipeptide and a free ‘Glu’
R. Cyanogen bromide treatment gave two tetrapeptides
S. Trypsin treatment gave two tripeptides and a dipeptide
Which one of the following is the correct octapeptide sequence?
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 56
Open questionBTMSQ2 marksNeeds review
Which of the following amino acids contain(s) two chiral carbons?
Your answerSelect all correct options. You can choose more than one.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 22
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Terpenoids are made of __________ units
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 37
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Which one of the following amino acid residues will destabilize an α-helix when inserted in the middle of the helix?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 2
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Natural proteins are composed primarily of 20 α-amino acids. Which one of the following statements is true for any of these amino acids in a solution of pH 1.5?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 32
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Which one of the following amino acids has three ionizable groups?
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