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Photosynthesis
Chapter 6
18
Biology
9th Grade
05/09/2010

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Term
granum?
Definition
a stack of thylakoids in choloroplast.
Term
stroma?
Definition
a solution surrounding the grana.
Term
cholophyll a?
Definition
a pigment that absorbs no green, and less blue than chlorophyll b.
Term
cholorophyll b?
Definition
assists chlorophyll a by absorbing the colors a can't (blue).
Term
carotenoids?
Definition
accessory pigments: yellow, orange, and brown.
Term
chemiosimosis?
Definition
the movement of protons into the stroma of the chloroplast releases energy to produce ATP.
Term
ATP synthase?
Definition
makes ATP by adding a phosphate group to ADP.
Term
ATP synthase is located in the _______ _____.
Definition
thykaloid membrane.
Term
chlorophyll a is responsible for...
Definition
the red color of many autumn leaves.
Term
in chloroplast, the photosystems and electron transport chains are located in the...
Definition
inner membrane.
Term
as light intensity increases, the rate of photosynthesis...
Definition
initially increases and then levels off.
Term
why is photosynthesis referred to as a biochemical pathway?
Definition
it involves a complex series of chemical reactions in which the product of 1 reaction is consumed in the next.
Term
the function of accessory pigments:
Definition
other compounds found the in the thylakoid membrane that absorb yellow, orange, and brown.
Term
why does the rate of photosynthesis increase, peak, then decrease as temp. increases?
Definition
there aren't enough electrons.
Term
calvin cycle?
Definition
a series of enzyme-assisted chemical reactions that produces a 3-carbon sugar.
Term
carbon fixation?
Definition
the incorporation of CO2 into organic compounds.
Term
photosynthesis equation:
Definition
6CO2 + 6H2O --->(LIGHT ENERGY) C5H12O6 + 6O2
Term
what energy-carrying end products of the light harvesting reaction?
Definition
NADPH
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