ENZYMES AND VITAMINS

Question 1

are usually proteins that act as a catalyst for biochemical reactions

Answer 1

ENZYMES

Question 2

How many enzymes in Human Body

Answer 2

1000s

Question 3

they are the most effective catalysts known

Answer 3

ENZYMES

Question 4

Most enzymes are __________ proteins

Answer 4

GLOBULAR PROTEINS

Question 5

few enzymes are now known to be?

Answer 5

RNA (RIBONUCLEIC ACIDS)

Question 6

TRUE OR FALSE AND ANSWER THE BLANK

enzymes undergo all the reactions of proteins including ___

Answer 6

TRUE, DENATURATION

Question 7

enzyme activity is dramatically affected by? (3)

Answer 7

Alterations in pH
Temperature
Other protein denaturants

Question 8

What are enzymes?

a. Cofactors that carry functional groups during biological synthesis

b. Specialized catalysts of biochemical reactions

c. Structural components of cell membranes

d. Both a and b

Answer 8

B. Specialized catalysts of biochemical reactions

Question 9

two types of enzymes

Answer 9

SIMPLE ENZYME

CONJUGATED ENZYME

Question 10

composed only of protein (amino acid chains)

Answer 10

SIMPLE ENZYME

Question 11

has a non-protein part in addition to a protein part

Answer 11

CONJUGATED ENZYME

Question 12

protein part of a conjugated enzyme

Answer 12

Apoenzyme

Question 13

is the biochemically active conjugated enzyme

Answer 13

Holoenzyme

Question 14

Apoenzyme + cofactor = ?

Answer 14

Holoenzyme (conjugated enzyme)

Question 15

non-protein part of a conjugated enzyme

Answer 15

Cofactor

Question 16

are important for the chemically reactive enzymes

Answer 16

Cofactors

Question 17

are small organic molecules or inorganic ions

Answer 17

Cofactors

Question 18

organic molecule cofactors are also called as

Answer 18

co-enzymes or co-substrates