1. EXAM 4 REVIEW
TEST TOMORROW!!!!!!!!

2. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen

3. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2

4. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic

5. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic

6. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic
Plants absorb water
through their roots
from the ground

7. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic
Plants absorb water
through their roots
from the ground
CO2 from the air.
Animals exhale CO2

8. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic
Plants absorb water
through their roots
from the ground
Glucose is chemical
energy, or FOOD
CO2 from the air.
Animals exhale CO2

9. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic
Plants absorb water
through their roots
from the ground
Glucose is chemical
energy, or FOOD
Oxygen is a waste product.
The plant does not need
oxygen so it releases it
into the air for us to breathe
CO2 from the air.
Animals exhale CO2

10. Chemical Equation for Photosynthesis
Water + Carbon Dioxide Glucose + Oxygen
H2O + CO C6H12O6 + O2
Inorganic inorganic ORGANIC inorganic
LIGHT
ENERGY
Plants absorb water
through their roots
from the ground
Glucose is chemical
energy, or FOOD
Oxygen is a waste product.
The plant does not need
oxygen so it releases it
into the air for us to breathe
CO2 from the air.
Animals exhale CO2

11. How do plants capture light energy?

12. How do plants capture light energy?
Plants have special light absorbing
molecules called pigments that can
capture light energy from the sun.
The main pigment of photosynthesis
is chlorophyll

13. In which organelle does photosynthesis take place?

14. In which organelle does photosynthesis take place?
CHLOROPLAST

15. What is the purpose of photosynthesis?

16. What is the purpose of photosynthesis?
To change light energy from the sun into chemical energy
To change inorganic materials into organic products that can be used as FOOD energy.

17. What is the organic product of photosynthesis?

18. What is the organic product of photosynthesis?
GLUCOSE!!!

19. What is the organic product of photosynthesis?
GLUCOSE!!!
C6H12O6

20. Where do organic molecules store energy?

21. Where do organic molecules store energy?
In the bonds between the atoms of the molecule.

22. How can energy be released from an organic molecule?

23. How can energy be released from an organic molecule?
By breaking the bonds!
ENERGY

24. Chemical Equation for Photosynthesis
H2O + CO2 C6H12O6 + O2

25. In which organelle is glucose MADE?

26. In which organelle is glucose MADE?
CHLOROPLAST

27. In which organelle is glucose broken down?

28. In which organelle is glucose broken down?
MITOCHONDRIA

29. Mitochondria- BREAKS IT
Glucose?
Chloroplast- MAKES IT
Mitochondria- BREAKS IT

30. What does a plant do with extra glucose?

31. What does a plant do with extra glucose?
Plants store extra glucose as a large polymer called STARCH

32. What does a plant do with extra glucose?
Plants store extra glucose as a large polymer called STARCH
VACUOLE

33. What macromolecule are starches and sugars (glucose)?

34. What macromolecule are starches and sugars (glucose)?
CARBOHYDRATES

35. What is an autotroph?

36. What is an autotroph?
Organisms that makes its own food energy

37. What is a heterotroph?

38. What is a heterotroph?
An organism that gets its energy by eating other organisms

39. Enzymes…

40. What are 2 factors that affect enzyme activity?

41. What are 2 factors that affect enzyme activity?
Temperature pH

43. What happens to an enzyme when it goes too far past its optimum temperature or too far out of its pH range?

44. What happens to an enzyme when it goes too far past its optimum temperature or too far out of its pH range?
The enzyme LOSES ITS SHAPE and can no longer catalyze a chemical reaction

45. Explain how an enzyme works like a lock and key.

46. Explain how an enzyme works like a lock and key.
Each enzyme has a specific shape that fits a specific substrate.

47. How many different chemical reactions can an enzyme catalyze?
JUST ONE type of chemical reaction!
Each enzyme only fits ONE type of reactant that fits its specific shape!