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Which of the following would not be an active enzyme A- trypsin B- pepsinogen C- chymotrypsin D- elastase E- lipase
Which of the following would not be an active enzyme
A- trypsin
B- pepsinogen
C- chymotrypsin
D- elastase
E- lipase
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Sixta KovacekLv2
17 Dec 2019
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Related questions
2. A chymotrypsin mutant was constructed with Ser 189, which is in the bottom of the substrate-specificity pocket, changed to Asp. Of the following proteases, which would have a substrate specificity most similar to this mutant chymotrypsin?
A. | subtilisin | |
B. | trypsin | |
C. | elastase | |
D. | HIV protease | |
E. | None of the answers is correct. |
A new serine protease was discovered that preferentially cleaves a peptide bond adjoining a negatively charged side chain. Which of the following is true?
a. | It likely reacts much faster than chymotrypsin | |
b. | The specificity pocket is likely lined with amino acids such as Arg and Lys | |
c. | The specificity pocket would mimic that of trypsin | |
d. | It likely reacts much slower than chymotrypsin | |
e. | The specificity pocket would mimic that of chymotrypsin |