There are five major types of histones in eukaryotic cells. One of these is not part of the structure of nucleosomes and is thought to participate in forming the 30-nm condensed chromatin fiber. Which histone is this?

TLS Online TPP Program

#Question id: 543

#Biochemistry

If glucose labeled with 14C at C^-1 (the aldehyde carbon) were metabolized in the liver, the first radioactive pyruvate formed would be labeled in:

TLS Online TPP Program

#Question id: 544

#Biochemistry

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:

TLS Online TPP Program

#Question id: 545

#Biochemistry

Which one of the following is not among the six internationally accepted classes of enzymes?

TLS Online TPP Program

#Question id: 546

#Biochemistry

Enzymes are potent catalysts because they:

TLS Online TPP Program

#Question id: 547

#Biochemistry

The role of an enzyme in an enzyme-catalyzed reaction is to:

TLS Online TPP Program

#Question id: 548

#Biochemistry

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