1.What product is made in the light dependent reactions? 2.What...

1. What product is made in the light dependent reactions?

2.What product is made in the light independent reactions?

3.What does this product get converted into?

• Describe why ATP is useful for cells

Photosynthesis

• Describe why ATP is useful for cells: ATP stores energy in the bond between the second and third phosphate, and ADP can be recycled

Photosynthesis

• Describe the process and formula of photosynthesis, including the transfer of energy that occurs

Photosynthesis

• Describe the process and formula of photosynthesis, including the transfer of energythat occurs• Light dependent and independent

reactions

• 6CO2 + 6H2O -> C6H12O6 + 6O2

• Sun -> ATP/NADPH -> Glucose

Photosynthesis

• Describe the role of pigments in photosynthesis

Photosynthesis

• Describe the role of pigments in photosynthesis: pigments, like chlorophyll, capture energy from sunlight to start the light dependent reactions

Photosynthesis

• Explain the function of electron carrier molecules

Photosynthesis

• Explain the function of electron carrier molecules: electron carrier molecules (like NADPH) transport electrons from one reaction to another, powering the light independent reactions

Photosynthesis

• Describe the light-dependent reactions

Photosynthesis

• Describe the light-dependent reactions:

1. Sun excites electrons in water

2. Electons release energy, which is used to make ATP

3. Electrons captured by NADPH

4. O2 is released

Photosynthesis

• Describe the light-independent reactions

Photosynthesis

• Describe the light-independent reactions:

1. Energy from ATP and NADPH is used to convert CO2 into G3P sugar

2. ADP and NADP+ are recycled

3. G3P is converted into glucose AND SOMETIMES OTHER MOLECULES OF LIFE

Photosynthesis

• Describe the factors that affect photosynthesis

Photosynthesis

• Describe the factors that affect photosynthesis:

1. Temperature • too hot = enzymes denature

• too cold = root damage

2. Light (energy)

3. Carbon dioxide (matter)

4. Water (matter)

Photosynthesis

• Describe where organisms get energy

Photosynthesis

• Describe where organisms get energy:

• Autotrophs make their own

• Photosynthesis (sun)

• Chemosynthesis (chemicals)

• Heterotrophs consume other organisms

Photosynthesis

• Page 37 Write the answers to the pre-lab,

data, and analysis questions

• ONLY ON THIS PAGE

Photosynthesis Leaf Lab

• Why do leaves change color in the fall? http://www.untamedscience.com/biology/plants/why-leaves-change-color/

Photosynthesis Leaf Lab

• HINT: Remember that when you vacuumed the syringe you sucked all of the gases out of the spinach

Spinach Lab

1. Leaf Lab Analysis

2. Spinach Analysis

• Class data:

Both labs are due

on Tuesday, Dec. 11th

To-do:

TIME LIGHT DARK

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