ENZYMES REGULATION QUIZ

Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

substrates

coenzymes

enzymes

reactants

TRUE ANSWER : ?
YOUR ANSWER : ?

Protein portion of an enzyme when it is combined with organic molecule is termed as

apoenzyme

co-factors

co-enzyme

holoenzyme

TRUE ANSWER : ?
YOUR ANSWER : ?

Many enzymes consists of a protein combined with low molecular weight organic molecule called as

co-factors

holoenzyme

co-enzyme

apoenzyme

TRUE ANSWER : ?
YOUR ANSWER : ?

Allosteric enzymes are

smaller than simple enzyme

larger and more complex than simple enzyme

smaller than simple enzyme but not complex

larger than simple enzyme

TRUE ANSWER : ?
YOUR ANSWER : ?

Intracellular enzymes

synthesize cellular material and perform catabolic reaction

only provide energy to the cell

synthesize cellular material and perform anabolic reaction

synthesize cellular material only

TRUE ANSWER : ?
YOUR ANSWER : ?

Main function of an enzyme is to

increase the activation energy

none of these

maintain constant activation energy

decrease the activation energy

TRUE ANSWER : ?
YOUR ANSWER : ?

The inactive organic molecular portion of enzyme is

apoenzyme

coenzyme

holoenzyme

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Isozymes or iso enzymes are those enzyme which

have same structural forms

none of these

have different structural forms but identical catalytic properties

catalyses oxidation reactions

TRUE ANSWER : ?
YOUR ANSWER : ?

Enzymes can

pass through semipermeable membrane

not pass through semipermeable membrane

dissolve semipermeable membrane

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Who coined the word enzyme first?

Liebig

Buchner

Pasteur

Kuhne

TRUE ANSWER : ?
YOUR ANSWER : ?