1. Photosynthesis & Cellular Respiration
Objective:
9B - Compare the reactants & products of photosynthesis & cellular respiration in terms on energy & matter
4B - Investigate and explain cellular processes, including homeostasis, energy conversions, transport of molecules, and synthesis of new molecules

2. 1. Define Autotroph & Heterotroph
Autotroph – makes it’s own food
Example: Plants
Heterotroph – consumes other organisms for food
Example: Animals

3. Adenosine Triphosphate
2. What does ATP Stand for?
Adenosine Triphosphate
3. Define ATP?
Biological molecule that provides cellular energy

4. 4. Draw & label an ADP & ATP molecule below.

5. 5. What is the main difference between these 2 molecules?
ATP has an extra phoshate
6. When is the energy stored in ATP released?
when the bond is broken

6. 7. Write the EQUATION FOR PHOTOSYNTHESIS.
REACTANTS
PRODUCTS
LIGHT ENERGY
6CO2 +
6H2O
C6H12O6 +
6O2

7. 8. Which organelle is responsible for photosynthesis?
chloroplast
9. Draw a picture of what a chloroplast looks like.

8. 10. Which colors of light are absorbed by chlorophyll a?
Violet & orange
11. Which colors of light are absorbed by chlorophyll b?
Blue & yellow

9. 12. Which color of light is reflected?
green
13. Why are leaves green?
Chlorophyll reflects green light

10. 14. Write the EQUATION FOR CELLULAR RESPIRATION
REACTANTS
PRODUCTS
C6H12O6 +
6O2
6CO2 +
6H2O
ATP
ENERGY

11. 15. Which organelle is responsible for respiration?
mitochondria
16. Draw a picture of what a mitochondria looks like.

12. 17. What is the molecule used by the cell for energy?
ATP

13. The products of one are the reactants of the other
Aerobic
More oxygen allows more ATP to be made
20. Compare the photosynthesis & respiration equation?
The products of one are the reactants of the other

14. 21. Looking at the diagram below, _____________ happens in the chloroplast and ____________ happens in the mitochondria.
photosynthesis
respiration

15. A respiration B transpiration C photosynthesis D chemosynthesis
Practice Question
Which cellular process converts solar energy into chemical energy? [TN09 EOC]
A respiration
B transpiration
C photosynthesis
D chemosynthesis

16. Practice Question
Animals depend on plants for ___; and plants depend on animals for ___. A. O2; CO2
B. O2; C6H12O6
C. CO2; O2
D. C6H12O6; O2

17. Practice Question
Which process occurs in the chloroplasts of plant cells? [TX02 EOC] A. DNA Replication B. Cellular respiration C. Protein synthesis D. Photosynthesis