Practice Questions

TLS Online TPP Program

#Question id: 14119

Which of the following is incorrect regarding sequence homology?

#Part-A Aptitude & General Biotechnology

It is an important concept in sequence analysis
When two sequences are descended from a common evolutionary origin, they are said to share homology
Two sequences can homologous relationship even if have do not have common origin
When two sequences are descended from a common evolutionary origin, they are said to have a homologous relationship

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TLS Online TPP Program

#Question id: 559

#Part-B Specialized Branches in Biotechnology

In competitive inhibition, an inhibitor:

TLS Online TPP Program

#Question id: 562

#Part-B Specialized Branches in Biotechnology

Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme. This is an example of what kind of inhibition?

TLS Online TPP Program

#Question id: 567

#Part-B Specialized Branches in Biotechnology

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by

TLS Online TPP Program

#Question id: 569

#Part-B Specialized Branches in Biotechnology

A small molecule that decreases the activity of an enzyme by binding to a site other than the catalytic site is termed a(n):

TLS Online TPP Program

#Question id: 571

#Part-B Specialized Branches in Biotechnology

The steady state assumption, as applied to enzyme kinetics, implies: