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Enzyme quiz

Total questions: 14

Worksheet time: 14mins

Name
Class
Date
1.

An enzyme is denatured when...

a)

It is not breaking down substrtae

b)

its shape has changed

c)

Its substrate is slower

2.

The purpose of the enzyme is to

a)

put molecules together

b)

all nutrients

c)

speed up reactions

d)

Break molecules apart

3.

what does a represent

a)

Actavation energy with an enzyme

b)

actavation energy without an enzyme

c)

it has energy

4.

Sugar names often end in

a)

-ose

b)

ing

c)

-ase

d)

-ment

5.

Enzymes are refered to as ____ because they speed up chemical reactions without being affected

a)

coafctors

b)

compounds

c)

factors

d)

catalyst

6.

enzymes rate of production can be affected by all the bellow except

a)

concentration of substrate

b)

concentration of nutrients

c)

ph

d)

Temperature

7.

enzymes make products from reactants. reactants that work with enzymes are called...

a)

substrates

b)

molecules

c)

active parts

d)

glucose

8.

where does a substrate bind to an enzyme?

a)

activation part

b)

actavation site

c)

the reaction

d)

enzyme-substrate complex

9.

The shape of an enzyme active site..

a)

Matches the bottom of the enzyme

b)

is often changed

c)

matches the shape of the molecule it metabolizes

10.

What does b Represent

a)

activation energy without an enzyme

b)

the easier hill to climb

c)

Activation energy with an enzyme

11.

Enzymes lower

a)

the activation site

b)

the amount of activation energy needed to start the reaction

c)

found in an organism

12.

denature means

a)

to change the shape/structure of an enzyme so it doesn't work

b)

to increase the temp

13.

enzymes part of which macromolecule group

a)

carbs

b)

proteins

c)

nucleic acids

d)

lipids

14.

Enzymes names often end in

a)

-ose

b)

-ase

c)

-mes

d)

ing