Free Printable Cellular respiration overview

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Worksheets

Cellular respiration overview

Total questions: 22

Worksheet time: 14mins

Name

Class

Date

1.

C6H12O6 + 6 O2 ------->

a)

35-38 ATP

b)

6 H2O

c)

6 CO2

d)

O2

2.

Redox Reactions:

a)

break c-c bonds

b)

release energy

c)

strips electrons from C-H bonds

d)

is anabolic

3.

Oxidation:

a)

adds O

b)

exergonic

c)

loses electrons

d)

removes H

e)

is endergonic

4.

Reduction:

a)

removes O, adds H

b)

gains electrons

c)

endergonic

d)

releases energy

5.

which are electron carriers:

a)

NAD+ (--> NADH)

b)

FAD+ (---> FADH)

c)

ATP

d)

NADPH

6.

What does glycolysis do?

a)

breaks down 6C glucose into 2 3C pyruvates

b)

builds glucose

c)

creates acetyl coA

d)

turns glucose into oxygen

7.

If O2 is present, where will the pyruvate enter?

a)

mitochondria

b)

nucleus

c)

mitochondria matrix

d)

cristae

8.

Where in the mitochondria are enzymes?

a)

matrix

b)

cytosol

c)

cristae

d)

membrane

9.

where does pyruvate oxidation occur?

a)

mitochondrial matrix

b)

nucleus

c)

membrane

d)

cristae

10.

what happens during pyruvate oxidation?

a)

pyruvate releases 2 CO2

b)

reduces 2 NAD to NADH

c)

produces 2 Acetyl coA

d)

produces 2 NADPH

11.

Inputs of Pyruvate Oxidation:

a)

Acetyl group

b)

ATP

c)

NAD+

d)

glucose

12.

What enzyme catalyzes Pyruvate Oxidation?

a)

Pyruvate dehydrogenase

b)

pyruvate lactase

c)

acetyl hydrogenase

d)

glucose dehydrogenase

13.

Where does the Kreb's cycle take place?

a)

mitochondrial matrix

b)

cytosol

c)

membrane

d)

nucleus

14.

What is being catalyzed during the Kreb's cycle?

a)

6C citrate molecule

b)

acetyl coA

c)

glucose

d)

CO2

15.

What electron carriers are produced during the Kreb's cycle?

a)

NADH

b)

ATP

c)

FADH2

d)

NADPH

16.

What are the products of the Kreb's cycle?

a)

2 ATP

b)

8 NADH

c)

2 FADH2

d)

4 CO2 Molecule

e)

water

17.

Where does the ETC take place

a)

mitochondrial membrane

b)

cristae

c)

nucleus

d)

Mitochondrial matrix

18.

How much ATP does the ETC yield?

a)

24

b)

36

c)

38

d)

50

19.

What enzyme turns NADH ---> NAD+?

a)

NADH Dehydrogenase

b)

NADH hydrogenase

c)

Hydrogenase

d)

NAD+ hydrogenase

20.

What happens to the H atoms during the ETC

a)

electrons are stripped from H (--> H+)

b)

H is taken off of NADH and FADH2

c)

H bonds to make NADH

d)

H leaves the body

21.

What does chemiosmosis do?

a)

links ETC to ATP synthase

b)

creates H+ gradient

c)

strips electrons from H

d)

breaks down glucose

22.

When is the H+ gradient set up?

a)

during the ETC

b)

during the Kreb's cycle

c)

during glycolysis

d)

during pyruvate oxidation

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