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?

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#Question id: 2950

#2. Cellular Organization

During which phases of the cell cycle do the chromosomes exist in a doubled state?

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#Question id: 117

#1. Molecules and their Interaction Relevant to Biology

Which of the following is not true of sterols?

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#Question id: 322

#1. Molecules and their Interaction Relevant to Biology

A covalent bond is likely to be polar when ________.

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#Question id: 23392

#Aptitude

QP O, SRQ, U T S, W V U, .....

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#Question id: 23910

#Aptitude

The presence of pneumatophores is seen in: