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Worksheets

Biology 5 and 7

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

This variable affects the rate of an enzyme-catalyzed reaction

a)

fat

b)

viruses

c)

substrate concentration

d)

induced fit

2.

Intake of very large material

a)

exocytosis

b)

channel pump

c)

endocytosis

d)

channel pump

3.

Their active site can _____ catalyze specific substrates like a lock and key or an ______

a)

never and induced fit

b)

sometimes and induced fit

c)

only and induced fit

d)

sort and induced fit

4.

What creates ATP ?

a)

golgi apparatus

b)

mitchondria

c)

nucleus

d)

cell wall

5.

Catalysts increase ?

a)

ability to breathe

b)

breakdown food

c)

stimulate the brain

d)

reaction rate

6.

In hypotonic water is moving ?

a)

water moving in faster

b)

water moves slower

c)

water moves to the right

d)

water moves to the left

7.

Denatured is a ?

a)

change in an enzyme so it can produce atp faster

b)

change in an enzyme shape so the enzyme cannot function correctly

c)

change in an enzyme shape to make it fit in with cells

d)

change in an enzyme shape so the enzyme can work

8.

plasma membrane helps maintain ?

a)

homeostasis

b)

equilibrium

c)

PH and balance

d)

blood flow

9.

A _______ variable is a variable or an element which is held constant throughout an experiment or a research in order to assess the relationship between multiple variables

a)

Acidity

b)

temperature

c)

control

d)

active site

10.

The main function of the cell membrane is to control what goes into and out of the cell by ?

a)

removes waste material from the cell

b)

regulates uptake of material needed by the cell

c)

prevents harmful materials from entering

d)

stabilizes the cell from bad reactions of the body

e)

strengthens the cell wall and builds proteins