Cellular Respiration Word Game Review

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Date ______

Cellular Respiration Word Game Review

Directions: On the lines below, write the word or words that best fit the description on the left. When you are finished, the boxed-in letters will spell out a secret message!

1. During glycolysis, glucose is

broken down into what

3-carbon compound?

2. During the electron transport chain,

what is pumped from the matrix across

the cristae membrane into the

inner membrane space?

3. This molecule is the primary

fuel for cellular respiration.

4. This type of respiration can only

occur in the presence of oxygen.

5. The Krebs cycle occurs in this part

of the mitochondria.

6. This molecule serves as a source of

immediate energy for cellular

processes that require energy.

7. ATP are generated when hydrogen

protons cause a rotor to spin as they

flow across the cristae membrane

through this enzyme.

8. At the end of the electron transport chain,

low-energy hydrogen electrons and

hydrogen protons are combined with

oxygen to form this end product.

9. This is the nitrogen base that is found

in molecules of ADP and ATP.

10. The energy transformation that converts

the energy held in molecules of glucose to

molecules of ATP is called?

11. This molecule serves as the final electron

acceptor in the electron transport chain.

12. In the absence of oxygen, muscle cells may

convert pyruvic acid into what compound?

13. This stage of cellular respiration produces

hydrogen atoms, ATP, and carbon dioxide.

14. This type of fermentation produces carbon

dioxide which causes bread dough to rise.

15. The addition or removal of this molecule

determines whether energy is stored

or released.

16. In this stage of respiration, glucose is

converted to pyruvic acid.

17. Acetate is joined with oxaloacetic acid

to form what 6-carbon compound?

18. A large number of high-energy hydrogen

electrons are delivered to the electron

transport chain in this form.

19. The energy generated from this process

is used to pump hydrogen protons

across a membrane, generating a high

concentration proton gradient.

20. This folding and looping membrane

increases the surface area for cellular

respiration.

21. This is the cellular organelle where

aerobic respiration takes place.

22. During the oxidation, or break down, of

pyruvic acid, this compound is given

off as a waste product.

23. This type of respiration occurs in the

absence of oxygen.

24. Anaerobic respiration takes place in this

part of the cell.

25. What is the total number of ATP that can

be generated from one molecule of ATP?

26. Glycolysis does not require oxygen

and is said to be?

27. This is the type of sugar that is found

in an ADP or ATP molecule.

28. During the bridge reactions, molecules

of pyruvate are oxidized into molecules

of this 2-carbon compound.

Decode your secret message here:

______

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

______!

23 24 25 26 27 28

Answers:

1. pyruvic acid

2. hydrogen protons

3. glucose

4. aerobic

5. matrix

6. adenosine triphosphate

7. ATP synthase

8. water

9. adenine

10. respiration

11. oxygen

12. lactic acid

13. Krebs cycle

14. alcoholic

15. phosphate

16. glycolysis

17. citric acid

18. NADH

19. electron transport chain

20. cristae

21. mitochondria

22. carbon dioxide

23. fermentation

24. cytoplasm

25. thirty eight

26. anaerobic

27. ribose

28. acetate

Secret Message: You earned extra points on my test!

Created by Amy Brown – Science Stuff

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