AP BIOLOGY

LABORATORY REVIEW

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What suffix is commonly applied to enzymes?
A
-ase
B
-ose
C
-ter
D
-ice
Explanation: 

Detailed explanation-1: -The suffix “-ase” indicates an enzyme. In the procedure of naming an enzyme, suffix “-ase” is added after the name of the substrate specific to an enzyme. This identifies the class of an enzyme catalyzing a specific reaction.

Detailed explanation-2: -Enzymes are named by adding the suffix-ase to the name of the substrate that they modify (i.e., urease and tyrosinase), or the type of reaction they catalyze (dehydrogenase, decarboxylase).

Detailed explanation-3: –ase. A suffix used to form the names of enzymes. It is often added to the name of the compound that the enzyme breaks down, as in lactase, which breaks down lactose.

Detailed explanation-4: -Except for some of the originally studied enzymes such as pepsin, rennin, and trypsin, most enzyme names end in “ase".

Detailed explanation-5: -Etymology. The-ase suffix is a libfix derived from “diastase", the first recognized enzyme. Its usage in subsequently discovered enzymes was proposed by Émile Duclaux, with the intention of honoring the first scientists to isolate diastase.

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