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1. Autotrophs – organisms that make their own food

2. Heterotrophs – organisms that must obtain energy from the foods they consume

3. ATP – a chemical compound that cells use to store and release energy

4. Photosynthesis – the process in which green plants use the energy of sunlight to convert H2O and CO2 into high-energy carbs and oxygen

5. Pigment – light-absorbing molecules that plants use to gather the sun’s energy

6. Thylakoids – saclike photosynthetic membranes found in chloroplasts

7. Photosystems – clusters of chlorophyll and other pigments organized by proteins in the thylakoid membrane

8. Satrom – region outside the thylakoid membranes

9. Electron Carrier Molecule- small organic molecules play key roles in cellular respiration by transferring energy to nearby processes.

10. ATP synthase- a protein that makes ATP from ADP; spins

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Photosynthesis - Light-dependent Stage - Post 16 Biology (A Level, Pre-U, IB, AP Bio)

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1.  Explain the difference between autotrophs and heterotrophs-  Heterotrophs consume other organisms for energy and autotrophs make their own energy. Autotrophs- plants and trees. Heterotrophs- cats, dogs, birds, and humans.

2. What happens to the carbon dioxide molecules in the Calvin Cycle reactions?- Carbon Dioxide molecules are combined with electrons and Hydrogen ions from NADPH to form glucose

3. What happens to the water molecule in the light reactions?- The water splits and produces hydrogen ions and moves into the inner thylakoid membrane.

4. Explain how the intensity of light affects the rate of photosynthesis.- As you rise from low light intensity to higher light intensity, the rate of photosynthesis will increase.

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Three parts of an ATP molecule: adenine, ribose, phosphate

- adenine (A, T, G, C), ribose (sugar that is naturally produced by the body from food), phosphate (a, b, and g)

Energy is released from ATP when a phosphate group is lost/broken off

- by the removal of its terminal phosphate group, energy is released.

Why do plants appear green?

- Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light.

What gas do plants release/give off?

- carbon dioxide, oxygen and water vapor.

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People use photosynthesis every day even if they don't notice. The sun shines and plants suck up sunlight and carbon dioxide, which is used to create food and water for us to eat and drink. The oxygen that plants make is what we breathe in and helps us survive.  Photosynthesis is also the original source of many raw materials and energy. used in construction, development and everyday products