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BIOL 10 Exam 1
Exam 1
7
Biology
Undergraduate 3
02/15/2012

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Term

What is Photosynthesis?

?

Definition

A process where plants, algae, and certain bacteria transform light energy into chemical energy, using CO2 and H2O as starting materials.

 

Term
What are Chlorplasts?
Definition
Light-absorbing organelles where photosynthesis in plants and algae occur.
Term
What is Chlorophyll?
Definition
A light absorbing pigment in the chloroplasts that plays a central role in converting solar energy to chemical energy.
Term
How does photosynthesis produce food and O2?
Definition
Photosynthesis takes the exhaust of cellular respiration and rearranges it's atoms to produce food and O2.
Term
What is the Photosynthesis cycle:
Definition

 

                                                   Photosynthesis

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

 

    Carbon    Water                            Glucose     Oxygen

    Dioxide                                                           Gas

Term
In what sense are the processes of cellular respiration and photosynthesis opposites of each other?
Definition

Cellular respiration uses O2 and glucose to produce CO2 and H2O.

 

Photosynthesis uses CO2 and H2O to produce glucose and O2.

Term
Photosynthesis takes place within organelles called ______________ using gases that are exchanged via pores called _______________.
Definition
Chloroplasts; Stomata
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