Enzymes Regulation
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Enzymes
can___________.
a.
not pass through semipermeable membrane
b. pass
through semipermeable membrane
c.
dissolve semipermeable membrane
d. none
of these
The
inactive protein from of enzyme is___________.
a.
apoenzyme
b.
enzyme
c.
haloenzyme
d.
cofactor
The
inactive organic molecular portion of enzyme is___________.
a.
apoenzyme
b.
coenzyme
c.
holoenzyme
d. none
of these
Enzyme
catalase has non-protein metal as___________.
a.
magnesium
b.
manganese
c.
iron
d. zinc
Isozymes
or iso enzymes are those enzyme which___________.
a. have
same structural forms
b.
have different structural forms but identical catalytic properties
c.
catalyses oxidation reactions
d. none
of these
Enzymes
are___________.
a.
organic compounds produced by living organism
b.
inorganic compounds
c.
organic as well as inorganic compounds
d. all
of these
Main
function of an enzyme is to___________.
a.
increase the activation energy
b.
decrease the activation energy
c.
maintain constant activation energy
d. none
of these
Allosteric
enzymes are___________.
a.
larger than simple enzyme
b.
smaller than simple enzyme
c.
larger and more complex than simple enzyme
d.
smaller than simple enzyme but not complex
Intracellular
enzymes___________.
a.
synthesize cellular material only
b.
synthesize cellular material and perform catabolic reaction
c.
synthesize cellular material and perform anabolic reaction
d. only
provide energy to the cell
Organic
molecules that increase the rate of metabolic reactions with themselves
changing are known as___________.
a.
coenzymes
b.
enzymes
c.
substrates
d.
reactants
Protein
portion of an enzyme when it is combined with organic molecule is termed
as___________.
a.
apoenzyme
b.
co-enzyme
c.
holoenzyme
d.
co-factors
The
active form of enzyme is___________.
a.
apoenzyme
b. coenzyme
c.
holoenzyme
d. none
of these
Who
coined the word enzyme first?
a.
Kuhne
b.
Pasteur
c.
Liebig
d.
Buchner
Many
enzymes consists of a protein combined with low molecular weight organic
molecule called as___________.
a.
apoenzyme
b.
co-enzyme
c.
holoenzyme
d.
co-factors