Chapter 8: Photosynthesis 1. Describe the roll of ATP in cellular activities 2. Explain where plants...
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Transcript of Chapter 8: Photosynthesis 1. Describe the roll of ATP in cellular activities 2. Explain where plants...
Chapter 8: Photosynthesis
1. Describe the roll of ATP in cellular activities
2. Explain where plants get the energy they need to produce food.
3. Explain the roll of light and pigments in photosynthesis
4. State the overall equation for photosynthesis
5. Describe light and dark reactions
A. Adenosine Triphosphate (ATP)
The ability to do work: __________
Almost all life on earth gets energy from ________
Cells use and store energy two ways:
1. Long term storage: __________________
2. Short term use: _____
3. ATP is not a good way to ________ energy; cells make just enough to ____.
ENERGY
THE SUN
FATS AND SUGARS
ATP
STOREUSE
A. Adenosine Triphosphate (ATP)
ATP is made from ______.
One main food of plants and animals is _________
Adenine
Ribose
3 phosphate groups
Photosynthesis is the process of using the sun’s energy to produce __________
FOOD
GLUCOSE
GLUCOSE
B. How organisms get their food.
____________ - Organisms that can make theirown food, usually from sunlightAUTOTROPHS
______________ - Organisms that can not make their own food, usually ingest it.HETEROTROPHS
- Green plants
- Animals, fungus, protozoans
Auto – Hetero –Troph -
SelfOther or differentnourishment
C. Leaf Anatomy
CuticleEpidermis
Mesophyll Cells
Vein
Photosynthesishere
StomaO2, CO2
exchanged here
D. The Chloroplast
______________ Organelle site of photosynthesisreactions in plant cells.CHLOROPLAST
____________ pigment in plants that captures thesunlight and helps turn it into chemical energy.CHLOROPHYLL
D. The Chloroplast
__________ Structure in chloroplast for photosynthesis
__________ Stack of thylakoids (grana plural)
THYLAKOID
GRANUM
D. Photosynthesis
Chlorophyll absorbs _____ and ______ light
Reflects ______ light
RED BLUE
GREEN
Photosynthesis has two stages:
1.Light Reactions- Absorbs the energy from sunlight to drive stage two.
- Uses water and gives off oxygen
2. Calvin Cycle (dark reactions = light independent)- Uses CO2 to make carbohydrates, the food used by plants
D. Photosynthesis
CO2 + H2O C6H12O6 + O2
Used in Calvin Cycle
Used in Light Reactions
Made in Calvin Cycle
Made in Light Reactions
CO2 = ________________
H2O = ______________
C6H12O6 = ________________________
O2 = _______________
CARBON DIOXIDE
WATER
CARBOHYDRATES (GLUCOSE)
OXYGEN
D. Photosynthesis