9

Question 1

Are organic catalyst produced by living
organisms.

Answer 1

ENZYMES

Question 2

They are themselves lifeless.

Answer 2

ENZYMES

Question 3

Often occur in combination with inorganic
and organic substances that have an
important part in the catalytic action.

Answer 3

ENZYMES

Question 4

non-protein organic compounds

Answer 4

COENZYMES

Question 5

inorganic ions

Answer 5

ACTIVATORS

Question 6

Names used to designate ensumes , usually end in___ or ___

Answer 6

ASE or IN

Question 7

Are colloids and are soluble in water, diluted alcohol but are precipitated by concentrated alcohol.

Answer 7

ENZYMES

Question 8

Most acts best at temperature between ____ and ____, temperature above ____ especially in the presence of moisture, usually completely destroy them.

Answer 8

35°C and 40°C, 65 °C

Question 9

Certain heavy metals, formaldehyde and free iodine retard the enzymes activity.

Answer 9

ENZYMES

Question 10

Major classes of enzymes

Answer 10

• OXIDOREDUCTASES
• TRANSFERASES
• HYDROLASES
• LIGASES
• LYASES
• ISOMERASES

Question 11

Trivial Name :

Esterases

Answer 11

• CELLULASE
• DIASTASE
• GLUCOLURONIDASE
• HYALURODINASE
• INVERTASE
• MALTASE

Question 12

Trivial Names:

Nucleases

Answer 12

• RIBONUCLEASE
• DEOXYRIBONUCLEASE
• NUCLEOPHOSPHATASE

Question 13

Trivial Names:

Nuclein Diaminases

Answer 13

• ADENASE
• ADENOSINE DEAMINASE

Question 14

Trivial Names:

Amidases

Answer 14

• ARGINASE
• UREASE

Question 15

Trivial Names:

Proteolytic Enzymes

Answer 15

• PAPAIN
• PEPSIN
• TRYPSIN
• CHYMOTRYPSIN
• FIBRINOLYSIN

Question 16

Important Enzymes

Answer 16

• AMYLOLYTIC ENZYMES
• ESTERASES
• PROTEOLYTIC ENZYMES
• OXIDIZING ENZYMES

Question 17

Trivial Names

Answer 17

• ESTERASES
• NUCLEASES
• NUCLEIN DIAMINASES
• AMIDASES
• PROTEOLYTIC ENZYMES

Question 18

Salivary diastase

Answer 18

PTYALIN

Question 19

Pancreatic juice

Answer 19

AMYLOPSIN

Question 20

Found in digestive tract of animals

Answer 20

AMYLOPSIN

Question 21

Examples of Diastase and Amylase

Answer 21

• PTYALIN
• AMYLOPSIN

Question 22

Germination of barley grains

Answer 22

MALT DIASTASE

Question 23

Convert starch into maltose

Answer 23

MALT DIASTASE

Question 24

Found in the yeast and in the intestinal juice.

Answer 24

INVERTASE or SUCRASE

Question 25

Bring about in the hydrolysis of sucrose into glucose and fructose

Answer 25

INVERTASE or SUCRASE

Question 26

Also found in the yeast and in intestinal juice

Answer 26

MALTASE

Question 27

Causes the conversion of maltose into glucose

Answer 27

MALTASE

Question 28

Fermenting enzymes causing the conversion of monosaccharides (glucose, fructose) into alcohol and carbon dioxide.

Answer 28

ZYMASE

Question 29

Found in almonds

Answer 29

EMULSIN

Question 30

Causes the hydrolysis of β-glycosides, thus, amygdalin is hydrolyzed into glucose, benzaldehyde and hydrogen cyanide.

Answer 30

EMULSIN

Question 31

Found in white and black mustard.

Answer 31

MYROSIN

Question 32

Hydrolyzes Sinalbin and Sinigrin as well as other glycosides.

Answer 32

MYROSIN

Question 33

Examples of Amylolytic Enzymes

Answer 33

• DIASTASE and AMYLASE • INVERTASE or SUCRASE • ZYMASE • EMULSIN • MYROSIN

Question 34

Found in the pancreatic juice of animals and in oily seeds.

Answer 34

LIPASE

Question 35

Causes the hydrolysis of fats into glycerin and fatty acids.

Answer 35

LIPASE

Question 36

Splits pectin into pectic acid and methyl alcohol

Answer 36

PECTASE

Question 37

A lipolytic enzyme capable of digesting dietary fat.

Answer 37

STEAPSIN

Question 38

Obtained from soybeans.

Answer 38

UREASE

Question 39

Use as a laboratory reagent for converting urea to ammonia.

Answer 39

UREASE

Question 40

Examples of Esterases (Important Enzymes)

Answer 40

• LIPASE • PECTASE • STEAPSIN • UREASE

Question 41

Found in the gastric juice.

Answer 41

PEPSIN

Question 42

Converts proteins into proteoses and peptones.

Answer 42

PEPSIN

Question 43

Formed when the proenzymes, trypsinogen is acted on by the enterokinase of the intestinal juices.

Answer 43

TRYPSIN

Question 44

Converts proteoses and peptones into polypeptides and amino acids.

Answer 44

TRYPSIN

Question 45

Found in intestinal juices.

Answer 45

EREPSIN

Question 46

Converts proteoses and peptones into amino acids.

Answer 46

EREPSIN

Question 47

A coagulating enzyme present in the mucous membrane of the stomach of mammals.

Answer 47

RENNIN

Question 48

An active proteolytic enzymes found in the unripe fruits of papaya tree.

Answer 48

PAPAIN

Question 49

Use as meat tenderizer.

Answer 49

PAPAIN

Question 50

Examples of Proteolytic Enzymes

Answer 50

• PEPSIN • TRYPSIN • EREPSIN • RENNIN • PAPAIN

Question 51

Widely distributed in plants.

Answer 51

PEROXIDASE

Question 52

Bring about the oxidation reaction that causes the discoloration of bruised fruits.

Answer 52

PEROXIDASE

Question 53

Converts the fibrinogen of the circulating blood into the insoluble fibrin of the blood clot.

Answer 53

THROMBIN

Question 54

Essentially an oxidizing enzyme because the monosaccharide splits into oxidation.

Answer 54

ZYMASE

Question 55

Examples of Oxidizing Enzymes

Answer 55

• PROXIDASE • THROMBIN • ZYMASE

Question 56

As digestants.

Answer 56

PEPSIN, PAPAIN, PANCREATIN

Question 57

To facilitate the diffusion of injected fluids.

Answer 57

HYALURODINASE

Question 58

To dissolve clotted blood and purulent accumulation.

Answer 58

STREPTOKINASE, STREPTODORNASE

Question 59

Extensive in the fermentation and in cheese industries.

Answer 59

RENNIN, ZYMASE

Question 60

Inactivates various penicillin.

Answer 60

PENICILLINASE