Post Lab Extended Ver: Enzyme

Question 1

are biological catalysts

Answer 1

Enzyme

Question 2

They catalyze nearly all the chemical reactions taking place in the cells
of the body

Answer 2

Enzyme

Question 3

Enzymes are ____ that increase the rate of reaction by looking for an
alternative pathway that has a low energy of activation

Answer 3

Enzymes are proteins

Question 4

CHARACTERISTICS of Enzymes

Answer 4

1. They are not altered or consumed during reaction
2. Reusable
3. Enzymes show specificity
4. Enzymes are sensitive to their environment

Question 5

Catalysis can be upto ____ increase

Answer 5

10^20

Question 6

Types of Enzymes

Answer 6

Simple and Conjugated Enzyme

Question 7

What is Simple Enzyme

Answer 7

Does not need any additional non/protein molecule

Question 8

What is Conjugated Enzyme

Answer 8

Needs additional non-protein molecule and cofactor

Question 9

Activated Enzyme or Non-Activated Enzyme:

Holoenzyme

Answer 9

Activated Enzyme

Question 10

Activated Enzyme or Non-Activated Enzyme:

Apoenzyme

Answer 10

Non-Activated Enzyme and needs cofactor

Question 11

What are the 2 types of Cofactor

Answer 11

Coenzyme and Prosthetic groups

Question 12

Cofactor that is:
➔ large organic molecule
➔ loosely bound to
apoenzyme

Answer 12

Coenzyme

Question 13

Cofactor that is:
➔ usually small inorganic
molecule or atom;
➔ usually tightly bound to
apoenzyme

Answer 13

Prosthetic groups

Question 14

The area on the enzyme where the substrate or
substrates is/are attached to

Answer 14

Active Site

Question 15

the reactant in the chemical reaction

Answer 15

Substrate

Question 16

is a non-protein chemical compound that is bound (either
tightly or loosely) to an enzyme and is required for catalysis

Answer 16

Cofactor

Question 17

Chemical reactions need an initial input of energy

Answer 17

= THE ACTIVATION ENERGY

Question 18

a state where enzyme bond with substrate

Answer 18

Transition State

Question 19

The substrate binds to the enzyme primarily through
_____ bonding and other ______

Answer 19

hydrogen bonding and electrostatic interactions

Question 20

The name of an enzyme in many cases end in

Answer 20

–ase

Question 21

Six functional Classes of Enzymes

Answer 21

Oxidoreductases
Transferases
Hydrolases
Lyases
Isomerases
6. Ligases

Question 22

Catalyze only one reaction for single
substrates

Answer 22

Absolute Specific Enzyme

Question 23

Catalyze only one reaction for
substrates with similar functional
groups

Answer 23

Group Specific Enzyme

Question 24

One type of reaction for a specific type
of bond

Answer 24

Linkage-Specific Enzyme

Question 25

act on a particular stereoisomer.
Chirality is inherent in an enzyme active
site

Answer 25

Stereospecific Enzyme