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Photosynthsis
understanding what is the process of photosynthesis
18
Biology
9th Grade
03/11/2011

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Term
photosynthesis
Definition
The process of converting light energy to chemical energy; in the process.carbon dioxide and water are converted into oxygen and sugars
Term
reactant
Definition
Substances that react (are used) in a chemical reaction
Term
Energy
Definition
the ability to do work.
Term
Product
Definition
Substances that are produced in a chemical
Term
Chemical Reaction
Definition
Processes that result in substances forming or breaking into new substances
Term
Grana
Definition
The stacks of thylakoid membranes within chloroplasts
Term
Stroma
Definition
The space between the grana in a chloroplast.
Term
Autotroph
Definition
An organism that is able to produce its own food
Term
Thylakoid
Definition
A membranous sac within chloroplasts on which the light reactions of photosynthesis occur.
Term
Chloroplast
Definition
Double-membrane organelles in plants and some protist cells that are the main site of photosynthesis
Term
Chemical Bonds
Definition
Strong attractive forces between atoms that hold them together. The attractive forces come from sharing or transferring their outermost (valence) electrons
Term
Photons
Definition
Particles of light.
Term
ATP
Definition
Short for adenosine triphosphate; the energy molecule of a cell
Term
NADPH
Definition
An energy-carrying molecule in a cell.
Term
Calvin Cycle
Definition
Also known as light-independent (dark) reactions, a set of chemical reactions that occur in the stroma of chloroplasts during photosynthesis1. Carbon dioxide enters the chloroplast.


2. ATPATP:

Short for adenosine triphosphate; the main energy carrier of a cell. and NADPHNADPH:

An energy-carrying molecule in a cell. arrive from the light reactions.


3. The Calvin cycle uses carbon dioxide, ATP, and NADPH molecules to make glucose.


4. ADP and NADP+ return to the light reactions.
Term
Light Reaction
Definition
A set of chemical reactions that occur in the thylakoid membranes of chloroplasts as a part of photosynthesis.
Term
Heterotroph
Definition
an organism requiring organic compounds for its principal source of food.
Term
How does life on earth depends on hypothesis?
Definition
We need photosynthesis in order to survive becuase photosynthesis convert light energy to chemical energy it that energy convert to carbon dixoide to water in whicj we need to survive.
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