BioChem enzymes

Question 1

proteins that act as catalysts, compounds that increase the rate of chemical reactions

Answer 1

enzymes

Question 2

biological importance of enzymes

Answer 2

1. synthesis
2. oxidation
3. hydrolysis
4. tautomeric changes

Question 3

organic substances which may exist free or loosely attached to the enzyme that helps assist in the activation of a chemical reaction

Answer 3

coenzyme

Question 4

substance that convert the pro-enzyme or zymogen into the active enzymes

Answer 4

activators

Question 5

combination of apoenzyme and coenzyme

Answer 5

holoenzyme

Question 6

the protein part to which the co-enzyme attaches itself or is attached in the enzyme-coenzyme systems

Answer 6

apoenzyme

Question 7

coenzyme that cannot be removed from its attachment with an enzyme using dialysis

Answer 7

prosthetic group

Question 8

inorganic activators existing as a part of the enzyme molecule

Answer 8

metaloenzyme

Question 9

inactive form of enzymes

Answer 9

zymogen

Question 10

inhibits enzyme activity

Answer 10

anti-enzyme

Question 11

substance acted upon by the enzyme and is converted into a new substance

Answer 11

substrate

Question 12

substances derived from a transformed substrate

Answer 12

product

Question 13

sequence of amino acids joined by peptide bonds

Answer 13

primary structure

Question 14

conformation of the steric arrangement or conformation of the segments of polypeptide chain

Answer 14

secondary structure

Question 15

arises from the interactions among side chains/groups of polymer chain

Answer 15

tertiary structure

Question 16

folded structure of an enzyme

Answer 16

tertiary structure

Question 17

refers to the relationship between subunits

Answer 17

quaternary structure

Question 18

what are the classifications of enzymes

Answer 18

1. oxidoreductases
2. transferases
3. hydrolases
4. lyases
5. isomerases
6. ligases

Question 19

2 forms of oxidoreductase

Answer 19

1. reduction
2. oxidation

Question 20

addition of hydrogen to a double bond

Answer 20

reduction

Question 21

removal of hydrogen to cleave a double bond

Answer 21

oxidation

Question 22

move and interact groups of atoms from on molecule to another ; gives information about liver damage

Answer 22

transferases

Question 23

splitting of molecules with water as a part of the reaction process

Answer 23

hydrolases

Question 24

splitting molecules (lysis)

Answer 24

lyases

Question 25

conversion of one isomer to another

Answer 25

isomerases

Question 26

formation between two molecules to form a longer molecule

Answer 26

ligases

Question 27

enzyme variant

similar activity typically appearing in specific tissue, organs and cell organelles of organisms and the same species

Answer 27

isoenzyme

Question 28

enzyme variant

same enzymatic activity, which are specific for different biological species

Answer 28

heteroenzymes

Question 29

enzyme variant

same enzymatic activity, which are specie specific for different biological species

Answer 29

alloenzymes

Question 30

secreted by liver into the plasma

Answer 30

plasma specific enzymes

Question 31

does not have specific function in plasma

Answer 31

non-plasma specific enzyme

Question 32

enzymes found only in the cell sap

Answer 32

unilocular enzymes

Question 33

enzymes found in the mitochondria and cell sap

Answer 33

bilocular enzymes