1. #6
Bell ringer 2/2
Write out both equations –for photosynthesis and then cellular respiration

2. Agenda objectives Bell Ringer Review photo/cell resp notes Quiz
HOMEWORK:
Potential project search handout
Due Feb. 8
Bell Ringer
Review photo/cell resp notes
Quiz
Human body foldable
objectives
To understand the reactants and products of photosynthesis and cellular respiration.
To understand what organelles are involved in both processes.

3. PHOTOSYNTHESIS AND CELLULAR RESPIRATION

4. What do plants need to survive/grow?
Photosynthesis
What do plants need to survive/grow?
Carbon
Dioxide
sunlight
Glucose
(sugar)
Water +
Oxygen +
sunlight 6
H2O 6
CO2
C6H12O6 6 O2 + +

5. PHOTOSYNTHESIS
Photosynthesis takes place in autotrophs inside organelles called chloroplasts.
Key Organelle: Chloroplast
Organelles found only in plant cells that carry out photosynthesis. Contains chlorophyll – a pigment that traps sunlight
Chloroplasts contain saclike photosynthetic membranes called thylakoids, which are interconnected and arranged in stacks known as grana.
The fluid portion is known as the stroma.

6. EQUATION FOR PHOTOSYNTHESIS
Products
Reactants
WATER
GLUCOSE
Sunlight energy
6CO2 +
6H2O
produces
C6H12O6 +
6O2
OXYGEN
CARBON DIOXIDE
WE NEED THIS
TO SURVIVE!

7. Photosynthesis involves two sets of reactions:
Light-dependent reaction
Light-Independent reaction(also known as the Calvin Cycle)

8. Light Independent Light Dependent Depends on light and water.
Takes place in the thylakoid membranes of the chloroplasts.
They produce oxygen and convert ADP and NADP+ into the energy carriers ATP and NADPH.
AKA the Calvin Cycle
Energy (ATP) from light reaction is required
Plants absorb carbon dioxide from the atmosphere and produce glucose and other carbohydrates.
The light independent reactions take place in the stroma

9. What do WE need to survive/grow?
Cellular Respiration
What do WE need to survive/grow?
Glucose
(sugar)
Carbon
Dioxide +
Oxygen
Water + +
Energy
C6H12O6 6 O2 + 6
H2O 6 +
CO2 +
ATP

10. CELLULAR RESPIRATION
Cellular Respiration is the process that releases energy from food in the presence of oxygen.
Food molecules contain chemical energy that is released when its chemical bonds are broken.
Energy stored in food is expressed in amount of calories.
What is a calorie? The amount of energy needed to raise the temperature of 1 gram of water 1 Celsius degree. The calories used in food labels is a kilocalorie, or 1,000 calories.

11. Key Organelle: Mitochondrion
Mitochondria - Organelles found in plant and animal cells that carry out cellular respiration.

12. EQUATION FOR RESPIRATION
Reactants
Products
CARBON DIOXIDE
(ATP)
GLUCOSE
C6H12O6 +
6O2
6CO2 +
produces
6H2O +
ENERGY
WATER
OXYGEN

13. 3 stages of Cellular Respiration
* Glycolysis
* Krebs Cycle
* Electron Transport Chain

14. Glycolysis Glycolysis produces only a small amount of energy.
Glycolysis is an anaerobic process. It does not directly require oxygen, nor does it rely on an oxygen-requiring process to run.
Glycolysis takes place in the cytoplasm of the cell.

15. Krebs or Citric Acid Cycle
AKA Citric Acid Cycle-citric acid is produced
Location: Mitochondria
Reactant: Pyruvate and oxygen
Product: 2 ATP and CO2

16. Electron Transport Chain
Location: Mitochondria
Reactant: Oxygen
Oxygen acts as an electron receptor.
Product: 32 ATP and H2O

17. Key Vocabulary
Aerobic – Process that only occurs in the presence of oxygen
Anaerobic – Process that does not require oxygen
Autotroph – Organisms that make their own food
Energy – The ability to do work
ATP – energy storing molecule (the purpose of cellular respiration is to produce this!)

18. HOW IT RELATES!

19. Lesson Summary
Photosynthesis and cellular respiration are related. How?
Photosynthesis occurs in the chloroplast of plant cells.
Cellular respiration occurs in the mitochondria of plant and animal cells.
Whenever you see an arrow in our equations, think “produces”.
Reactants produce products. Remember, what one produces the other one needs. It is a cycle.

20. #6
closure
Does the Calvin Cycle (Light independent) need to occur in the dark? Why or why not?
C-word(s)
Synthesize “to create a product or put together” in Biology by dehydration synthesis