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Bio Chem Lab: M3 Enzymes

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.

special protein molecules designed to catalyze or speed up the rate of a biochemical reaction.

a)

Enzymes

b)

Amylase

c)

Protein

d)

Amino Acids

2.

Enzymes molecules ccelerate specific reactions regulated by?

a)

Competitive

b)

Non Competitive

c)

UnCompetitive

3.

form of regulation where the regulatory molecule (an activator or inhibitor) binds to an enzyme someplace other

a)

Allosteric Regulation

b)

Competitive Inhibitors

c)

Non Competitive Inhibitors

d)

Uncompetitive Inhibitors

4.

Breaking down of complex molecules are one of the primary biological functions of multiple enzymes through a series of

a)

Pathway

b)

Consecutive Reaction

c)

Substrate

d)

Products

5.

Molecules called as

a)

Products

b)

Substrate

c)

Consecutive Reaction

d)

Inhibitors

6.

what will formed when enzymes bind to its specific substrate?

a)

Products

b)

Activator

c)

Inhibitors

d)

Pathway

7.

Generally responsible for numerous vital reaction within the body?

a)

Enzymes

b)

Amino Acids

c)

Molecules

d)

Proteins

8.

Most of the enzymes are?

a)

Proteins

b)

Amino Acids

c)

Coenzyme

d)

Catalase

9.

These molecules require an additional chemical components knows as?

a)

Cofactor

b)

Organic

c)

Metallorganic molecule.

d)

Presence Inhibitor

10.

Cofactor compose of these Elements

a)

Fe +2, Zn +2

b)

Mg +2, Mn +2

c)

Na +2, Ti +2

d)

B + 2, O +2

11.

Cofactor, Organic, Metalloorganic molecules is known as?

a)

Coenzymes

b)

Enzymes Kinetics

c)

Catalase

d)

Catalytically Active Enzymes

12.

catalytically active enzyme bounded with its coenzyme is known as

a)

Holoenzyme

b)

Coenzyme

c)

Apoenzyme

d)

Cofactor

13.

catalytically active enzyme bounded with its coenzyme and with the protein part.

a)

Apoenzyme

b)

Coenzyme

c)

Holoenzyme

d)

Amylase

14.

Increased temperature speeds up collisions between enzyme and substrate.

a)

enzyme

b)

substrate.

c)

ihibitor

d)

molecule

15.

What will happen when you heat the enzyme in high temeperature?

a)

Denature

b)

Produce product

c)

pH Directly influences

d)

Oxidation

16.

Increased substrate concentration provides faster interaction with enzyme until it reaches its saturation point.

a)

Substrate concentration

b)

Presence of inhibitors

c)

Increasing The Temperature

17.

Some compounds may directly or indirectly affect enzyme-substrate reaction.

a)

Presence of inhibitors.

b)

Substrate concentration

c)

Increase Temperature

18.

bind to the active site of the enzyme thereby preventing the substrate to bind.

a)

Competitive Inhibitor

b)

Uncompetitive Inhibitor

c)

Noncompetitive Inhibitor

19.

inhibitors bind reversibly to the enzyme-substrate complex.

a)

Competitive inhibitors

b)

Uncompetitive inhibitors

c)

Noncompetitive inhibitors

20.

inhibitors bind to other sites in the enzyme reducing its effectivity.

a)

Uncompetitive inhibitors

b)

Competitive inhibitors

c)

Noncompetitive inhibitors

21.

is an enzyme known to catalyze hydrogen peroxide to oxygen.

a)

Catalase

b)

H202

c)

Amylase

d)

glycosidic bonds

22.

Biologically, this enzyme is vital in protecting the cell from the damages caused by reactive oxygen species (ROS) or the free radicals.

a)

Catalase

b)

Amylase

c)

Inhibitors

d)

Catalyze Polysaccharides

23.

is an enzyme known to catalyze polysaccharides into simpler sugar molecules by hydrolyzing the glycosidic bonds present in polysaccharides.

a)

Amylase

b)

Catalase

c)

Inhibitors

d)

Coenzyme

24.

This enzyme is predominantly present in human saliva and is also secreted by the pancreas into the small intestines for continued breakdown of complex sugar molecules.

a)

Amylase

b)

Catalase

c)

Holoenzyme

d)

Inhibitors

25.

Highest Froth?

a)

Neutral pH

b)

Acidic pH

c)

Alkaline pH

26.

Lowest Froth

a)

Acidic

b)

Alkaline

c)

Neutral

27.

Lower Froth

a)

Acidic

b)

Alkaline

c)

Neutral

28.

What is the The optimum pH is?

a)

7

b)

3

c)

9

d)

6

29.

Effect of pH:

Catalase and Hydrogen Peroxide produce?

a)

Foam

b)

Fizz

c)

Blue

d)

Yellowy Red

30.

High Temperature

a)

No Fizzing

b)

Fizzing

c)

Blue

d)

Foam

31.

Low Temperature

a)

Fizzing

b)

No Fizzing

c)

Foam

d)

Yellowy Red

32.

Effect of Temperature:

High Temperature cost no fizzing due to?

a)

Denaturing

b)

Reacting of enzymes and hydrogen peroxide

c)

Starch solution reacts with iodine to give a deep blue-black complex.

d)

enzyme known to catalyze polysaccharides into simpler sugar molecules

33.

Effect of Temperature:

Low Temperature cost fizzing due to

a)

reaction of catalase enzymes and hydrogen peroxide

b)

Denature

c)

no starch

d)

means it has starch in there.

34.

Starch solution

Result after heating + iodine solution

a)

Blueish

b)

Yellowy Red

c)

Clear

d)

Yellowy Brown

35.

Starch Solution


Result after heating + iodine solution and after adding Benedict solution and heating

a)

Blueish

b)

Yellowyred

c)

Denature

d)

Clear

36.

that means it has starch in there.

a)

Starch Solution

b)

Starch + Saliva

c)

High Temperature

d)

Neutral

37.

result is yellow brown it means no starch in there

a)

Starch + Saliva

b)

Starch Solution

c)

Low Temperature

d)

Acidic

38.

Starch + Saliva


Result after heating + iodine solution and after adding Benedict solution and heating

a)

Yellowy Red

b)

Yellowy Brown

c)

Bluish

d)

Clear

39.

Starch + Saliva Result after heating + iodine solution

a)

Yellowy Brown

b)

Yellowy Red

c)

Bluish

d)

Foam

40.

indicates that theres is a reducing sugar in there and that is maltose that's the result of the amylase acting on the starch

a)

Yellowy Red of Iodine, and Benedict Solution

b)

Yellow Brown of Iodine

c)

Blueish of iodine Solution

d)

Blueish of Iodine Solution and Benedict Solution