Photosynthesis

ATP

(adenosine triphosphate) main energy source that cells use for most of their work; consists of adenine, a 5-carbon sugar called ribose, and 3 phosphate groups; stores and releases energy

Photosynthesis equation

6CO2 + 6H2O --> light energy --> C6H12O6 + 6O2

pigment

A colored chemical compound that absorbs light, producing color; these are used to capture the energy in sunlight.

Heterotroph

An organism that cannot make its own food.

Autotroph

An organism that makes its own food

Photosynthesis word formula

Carbon dioxide, water and light energy ---------> glucose and oxygen

Explain, in terms of chlorophyll, why most plants are green

Chlorophyll absorbs light very well in blue and red regions but reflects light in green region. That's why the green is visible.

Photosynthesis

Conversion of light energy from the sun into chemical energy stored in the bonds of carbohydrates.

chlorophyll

Green pigment in plants that absorbs light energy used to carry out photosynthesis

What is the summarization of photosynthesis?

Photosynthesis uses the energy of sunlight to convert water and carbon dioxide (low-energy reactants) into high-energy sugars and oxygen (products).

Why do organisms that perform photosynthesis require water and sunlight?

Photosynthetic organisms need light because this is the source of the energy that is transformed to chemical energy by chlorophyll. These organisms need water because the electrons that are excited in chlorophyll and passed to the electron transport system are replaced with electrons from a split water molecule. Hydrogen is used to form the proton gradient across the thylakoid membrane. The electrons take from the oxygen molecules in water release an oxygen gas into the atmosphere which makes living possible for us.

Energy is released from ATP when

a phosphate group is removed

Where does photosynthesis take place?

inside organelles called chloroplasts

Photo-

light

-synthesis

putting together

What are some factors that affect photosynthesis?

temperature, light intensity and the availability of water.