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Quick's Photosynthesis
Chapter 6
20
Biology
10th Grade
11/03/2009

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Term
Calvin Cycle
Definition
a biochemical pathway of photosynthesis in which carbon dioxide is converted into glucose using ATP
Term
Grana
Definition
stacks of thylakoids
Term
Photosynthesis
Definition
a process used by plants to convert the sun's light energy into chemical energy
Term
electron transport chain
Definition
a series of proteins found in the thylakoid membrane that electrons travel down losing energy as they do so
Term
Light reactions
Definition
a series of reactions that take sunlight and convert it into NADPH and ATP
Term
carotenoids
Definition
accessory pigments found in plants... the browns, yellows, oranges, and other colors seen during the fall
Term
photosystems
Definition
clusters of chlorophyll and the proteins they are embedded with
Term
pigments
Definition
compounds that absorb certain colors of light
Term
carbon fixation
Definition
plants taking carbon dioxide from the air and converting it into an organic molecule
Term
Chloroplast
Definition
organelle found in plant cells that contains the pigment chlorophyll and is where photosynthesis takes place
Term
Heterotrophs
Definition
Organisms that get energy from food instead of from sunlight
Term
Autotrophs
Definition
organisms that use photosynthesis to convert light energy into chemical energy
Term
CAM pathway
Definition
pathway used by plants that take in carbon dioxide at night and use it during the day to avoid losing as much water
Term
C4 pathway
Definition
plants that struggle with getting enough carbon dioxide can fix it into a 4 carbon compound instead of the usual three
Term
stomata
Definition
pores or openings found on the underside of leaves where plants can take in carbon dioxide but, lose water while doing so
Term
thylakoids
Definition
the inner membrane of the chloroplast that is arranged in sacs "pancakes"
Term
chlorophyll
Definition
the main pigment involved in photosynthesis occurring in two types, A and B
Term
chemiosmosis
Definition
the process of making ATP by hydrogen ions diffusing through the protein ATP Synthase
Term
primary electron acceptor
Definition
the protein that accepts the electrons lost from chlorophyll A
Term
stroma
Definition
the solution or liquid part of the chloroplast
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