Practice Questions

TLS Online TPP Program

#Question id: 548

Which one of the following statements is true of enzyme catalysts?

#SCPH28 | Zoology

Their catalytic activity is independent of pH.
They are generally equally active on D and L isomers of a given substrate.
They can increase the equilibrium constant for a given reaction by a thousand fold or more.
They can increase the reaction rate for a given reaction by a thousand fold or more.

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TLS Online TPP Program

#Question id: 278

#SCPH12 I Genetics

DNA wraps around an octamer of histones to form bead-like structures called ________.

TLS Online TPP Program

#Question id: 6970

#SCPH01 Biochemistry

Neural crest cells will become:

TLS Online TPP Program

#Question id: 559

#SCPH01 Biochemistry

In competitive inhibition, an inhibitor:

TLS Online TPP Program

#Question id: 94

#SCPH28 | Zoology

A monosaccharide whose anomeric carbon atom has a glycosidic bond to an alcohol, amine or thiol is a ________.

TLS Online TPP Program

#Question id: 19654

#SCPH05 I Biotechnology

What is the class of the substitution product of LiAlH4 and an alkyl halide reaction?