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: 294

#SCPH01 Biochemistry

Which of the following pairs of amino acids would you predict to only participate in Van der Waals interactions in the three dimensional folding of a protein:

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#Question id: 3511

#SCPH28 | Zoology

What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?

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#Question id: 8691

#SCPH06 I Botany

Use the following information to answer the question.

Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?

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#Question id: 19602

#SCPH05 I Biotechnology

If liquids A and B form an ideal solution

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#Question id: 11125

#SCPH28 | Zoology

In chemical synapses that involve a so-called second messenger, typically a G-protein linked to the postsynaptic receptor is activated when neurotransmitter binds to that receptor. Which of the following represents an activity performed by the activated second messenger?