are two
mechanisms by which enzyme catal

Question

are two
mechanisms by which enzyme catalytic
activity is controlled.
A Allosteric control and covalent
modification
B Rate of transcription and covalent
modification
C Covalent modification and increasing
substrate concentration
D Availability of substrates and energy
status of the cell
E Energy status of the cell and protein
trimming

Kunduz · Accepted Answer

Solution :
(A
is
correct
option
Allosteric control and Covaleut modification alle
the two mechanisms by which enzyme catalytic
activity is controlled.
Allosteric cortunaThe activity of certain enzymes
can be affected by the binding of small
molecules.
a) Homotypic effectors → They
Substrates for the enzymes they affect.
these molecules activates the enzyme activity,
b) Heterotypic effedons -->
substrates for the
engymes,
Allosteric inhibitor binds to an enzyme
site
other than active site. The shape of the
active site is altered so that the enzyme
its substrate,
are the
a
These
not the
are
.
at a
the
can
no
to
longer bind
an
Covalent modification some
enzymes are formed
completely in
einactive form. So, their
activation requires covalent
to be cleaved
The inactive teda form of
called
zymogens.
bonds in the enzyme
are
enzymes

are two mechanisms by which enzyme catalytic activity is controlled. A Allosteric control and covalent modification B Rate of tr