SAS 4 ENZYMES

The protein component of a conjugated enzyme.

• Cofactor

• Apoenzyme

• Coenzyme

• Holoenzyme

The active, biochemically functional form of a conjugated enzyme.

• Cofactor

• Coenzyme

• Apoenzyme

• Holoenzyme

The relatively small part of an enzyme’s structure that participates in catalysis.

• Active site

• Substrate-binding region

• Allosteric site

• Reaction interface

• Catalytic cleft

What do you call an enzyme that consists solely of protein, without any non-protein components?

• Coenzyme

• Holoenzyme

• Zymogen

• Apoenzyme

• Simple enzyme

What type of enzyme specificity focuses on a particular chemical bond, regardless of the rest of the molecular structure?

• Group specificity

• Absolute specificity

• Linkage specificity

• Stereochemical specificity

A microorganism that thrives in extremely high temperatures is called:

• Psychrophile

• Mesophile

• Hyperthermophile

• Halophile

A microorganism that thrives in extremely cold temperatures is called:

• Cryophile

• Mesophile

• Alkaliphile

• Halophile

Which model suggests that enzymes possess a rigid, complementary active site that exactly matches the substrate, without any structural changes upon binding?

• Induced fit model

• Substrate specificity model

• Conformational model

• Lock and key model

Based on the reaction shown in the image, which class of enzyme is responsible for catalyzing the hydrolysis of a chemical bond by adding water?

• Hydrolase

• Oxidoreductase

• Transferase

• Isomerase

• Ligase

Match the enzyme class with its corresponding subclass: TRANSFERASE

• Synthetase

• Dehydrogenase

• Lipase

• Kinase