They are nonprotein helpers for catalytic activity. They bind to the enzyme. Basically, they help the enzyme do its job.
the binding of an activator to a regulatory site, which stabilizes the shape of the functional active sites
When ATP allosterically inhibits an enzyme in an ATP-generating pathway, the result is____________. A metabolic pathway is halted by the inhibitory binding of its end product to an enzyme that acts early in the pathway.
they bind to another part of the enzyme and change the shape of the enzyme in such a way that the active site becomes inhibited at catalyzing chemical reactions.
reversible inhibitors that resemble normal substrate molecules.They reduce the productivity of enzymes by blocking substrates that come to the active site trying to gain admission.
cofactor that is an organic molecule
Down
substrate molecule binds to one active site in a multisubunit enzyme, which triggers a shape change in all of the subunits, thereby increasing catalytic activity at the other active sites.
The region of an enzyme that binds with its substrate is known as its
The binding of an inhibitor stabilizes the inactive form of the enzyme
The reactant an enzyme interacts with is known as the
the initial investment of energy for starting a reaction. The energy required to contort the reactant molecules so that the bonds can break. This is very important for chemical reactions. Bonds have to broken or formed for chemical reactions to occur.
macromolecule that acts as a catalyst, a chemical agent that speeds up a reaction without being consumed by the reaction.
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