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Photosynthesis Respiration Worksheet Key

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Photosynthesis Respiration Worksheet Key
Photosynthesis & Cellular Respiration Worksheet

Name:__________________________________________Period:_______
Vocabulary: Match the phrases on the left with the term that best fits. Use answers only one time.

___J 1. Organisms that make their own food A. Chloroplasts

___A 2. Site of photosynthesis B. Aneorobic

___F 3.Process occurs in a mitochondrion C. Aerobic
___D 4.C6H12O6 D. Glucose

___B 5. Process does not require oxygen E. ATP

___C 6. Process requires oxygen F. Kreb’s cycle

____I 7.Adenosine diphosphate G. Glycolysis

____E 8.Energy storing molecule H. Energy

____G 9. The anaerobic process of splitting glucose I. ADP and forming two molecules of pyruvic acid J. Autotrophs
____H 10. The ability to do work

11. Use the picture to the right to help you describe the relationship between photosynthesis and cellular respiration.

In the process of photosynthesis, carbon dioxide and water combine in the chloroplast, using the energy from light to make glucose.
In the process of cellular respiration, glucose combines with oxygen in the mitochondria of the cell to produce molecules of ATP which are used by the cell as energy.
Plants and certain bacteria do photosynthesis AND cellular respiration. Animals can ONLY do respiration.

12. Name the three processes of aerobic cellular respiration. How many ATP’s does each process produce, and what is the total ATP produced from one glucose? 3 Processes of Cellular Respiration:
# ATP produced:

Glycolysis
2
Kreb’s Cycle

2
Electron Transport Chain

32

13. Name the two stages of photosynthesis and list the starting molecule(s) and ending molecule(s) of each.

Stages
Starting Molecule(s)
Product(s)

Light Dependent

Water
Oxygen
Light Independent

Carbon Dioxide
Glucose

14. What is the general chemical equation of photosynthesis?

6CO2 + 6H2O ------> C6H12O6 + 6O2

15. What is the general chemical equation of cellular respiration?

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O

16. Compare lactic acid fermentation and alcoholic fermentation by describing what pyruvic acid is changed in to. Be sure to include what type of organism each one takes place in.

What is pyruvic acid changed into?
Organism:
Alcoholic Fermentation

Alcohol and Carbon Dioxide

Yeast, some plants, some bacteria
Lactic Acid Fermentation
Lactic Acid

Animals

17. When and why does our body use lactic acid fermentation? WHEN = When there is not enough oxygen. WHY = To restart glycolysis.

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