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Unit 3 pop quiz

Total questions: 19

Worksheet time: 12mins

Name
Class
Date
1.

Where does the graph show the activation energy?

a)

A

b)

B

c)

C

d)

D

2.

When denaturation happens, what will happen to the shape of the enzyme?

a)
The enzyme will become more efficient at its function.
b)
The shape of the enzyme will change and become non-functional.
c)
The enzyme will split into two separate enzymes.
d)
The enzyme will remain unchanged and functional.
3.

The eukaryotic organelle that makes the ATP is the __________________________.

a)

mitochondria

b)

ribosome

c)

nucleus

d)

chloroplast

4.

The energy currency that cells need, specifically is __________________________.

a)

ATP

b)

ADP

c)

NADH

d)

FADH2

5.

During glycolysis, glucose is converted into 2 molecules of __________________________.

a)

pyruvate

b)

lactate

c)

acetyl-CoA

d)

ethanol

6.

NADH is a coenzyme with the ability to transfer __________________________.

a)

electrons

b)

protons

c)

neutrons

d)

photons

7.

The 3rd step in cellular respiration is called the _________________________________.

a)

Electron Transport Chain

b)

Glycolysis

c)

Krebs Cycle

d)

Fermentation

8.

Which letter represents where cellular
respiration is taking place?

a)

A

b)

Y

c)

B

d)

X

9.

Select all the reactants for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

10.

Which letter represents where
photosynthesis is taking place?

a)

A

b)

Y

c)

B

d)

X

11.

What is photosynthesis?

a)
Photosynthesis is the process of respiration in animals.
b)
Photosynthesis is the process by which plants convert light energy into chemical energy.
c)
Photosynthesis occurs only in the dark.
d)
Photosynthesis is the method by which animals digest food.
12.

What are the products of photosynthesis?

a)
Glucose and oxygen
b)
Oxygen and carbon dioxide
c)
Nitrogen and glucose
d)
Carbon dioxide and water
13.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
14.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
15.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
16.

What are the outputs of the kreb's cycle

a)

CO2

b)

H2O

c)

ATP

d)

NADH and FADH2

17.

What happens in the electron transport chain?

a)

NADH and FADH2 drop off hydrogens to form massive amounts of ATP

b)

pyruvic acid is formed from breaking down glucose

c)

CO2 is released and H2O and ATP

d)

glucose is broken down and ATP is formed

18.
Which factor denatures a enzyme?
a)
Excessive heat
b)
Nothing can
c)
Exposure to light
d)
Exposure to bacteria
19.

What are the enzymes called when they are at high temperature or extreme pH?

a)

denatured

b)

Killed

c)

inactive

d)

normal