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Enzymes

Total questions: 21

Worksheet time: 14mins

Name
Class
Date
1.

Proteins that speed up biochemical reactions are known as _____.

a)

Amino Acids

b)

Catalysits

c)

Enzymes

d)

Water

2.

Enzymes Are Different From Catalysts In That They :

a)

Are Proteins

b)

Are Not Used Up In The Reaction

c)

Function At High Temp.

d)

None Of The Above

3.

Which Place On An Enzyme Binds A Substrate?

a)

Reactive Area

b)

Lactose

c)

Lactase

d)

Active Site

4.

About how many biochemical reactions do enzymes catalyze?

a)

40,000

b)

4,000,000

c)

400,000

d)

4,000

e)

400

5.

If a reaction takes several days to occur without an enzyme, how quickly can it occur with an enzyme?

a)

Several Days

b)

More Than A Minute

c)

Less than a second

d)

Less Than A Year

e)

12 Seconds

6.

Enzymes are used up in chemical reactions.

a)

False

b)

True

c)

I Don't Know

7.

Enzymes can catalyze several reactions per second.

a)

False

b)

True

c)

I Don't Know

8.

Which of the following do enzymes help living organisms achieve?

a)

Increasing the Rate Of blood Being Made

b)

Increasing the rate of a biochemical reaction

c)

Increasing the Rate Of hormones

d)

Decreasing the Rate of Biochemical reactions

9.

How many reactions can enzymes catalyze?

a)

Several Per Second

b)

Several million reactions per second

c)

10 million Per Minute

d)

I Don't Know

e)

Several hundred per second

10.

Are Enzymes Reactants?

a)

Yes

b)

No

c)

Maybe

11.

Enzymes Do Not Help In The Digestion Of Food

a)

True

b)

False

12.

Enzymes Help In The Digestion Of Food

a)

True

b)

False

13.

True or False:

Enzymes slow down chemical reactions.

a)

False

b)

True

c)

Or

d)

Maybe?

14.

The attribute(s) of an enzyme is/are that they:

a)

They Are Able To Be Used More Than Once

b)

The Catalyze Reactions

c)

They Are Proteins

d)

All of the above

15.

What happens to an enzyme after a biochemical reaction?

a)

They Can Be Used Again

b)

They Break Down And Cannot Be Used Again

c)

They Fuse With The Reaction

d)

They Dissapear

e)

They Can't Be Used Again

16.

What Are Enzymes?

a)

Enzymes are biological Proteins. They speed up biochemical reactions.

b)

Enzymes are biological catalysts. They speed up biochemical reactions.

c)

Enzymes are biological amino acids. They slow down biochemical reactions.

d)

Enzymes are biological cows. They Eat Grass And Say "Moo"

17.

E _ z y _ e _ are biological catalysts. They speed up biochemical reactions. Hint --> ( Look At How Many Blanks There Are )

(a)  

18.

Would Humans, Animals, And Plants Exist Without Enzymes?

a)

No

b)

Yes

c)

Maybe

d)

They Could If They Wanted To.

19.

Was This Video Helpful?

a)

Yes

b)

No

c)

Kind Of

d)

Maybe

e)

We Didn't Watch It

20.

True Or False,


Enzymes are involved in most of the chemical reactions that take place in organisms.

a)

True

b)

False

c)

Or

d)

Maybe

21.

True or False:


Enzymes slow down chemical reactions.

a)

False

b)

True

c)

Or

d)

Maybe