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Biology 20 Photosynthesis and Cellular Respiration Exam Questions and Answers
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Biology 20 Photosynthesis and Cellular Respiration Exam Questions and Answers
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Biology 20: Photosynthesis and CellularRespiration Exam Questions and
Answers
photon - Answers -a packet of energy
chlorophyll - Answers -the light-absorbing green-coloured pigment that begins the
process of photosynthesis
chloroplast - Answers -a membrane-bound organelle in green plant and algal cells that
carries out photosynethesis
stroma - Answers -the protein-rich semi-liquid material in the interior of a chloroplast.
Light independant reactions occur here
thylakoid - Answers -a system of interconnected flattened membrane sacs forming a
separate compartment within the stroma of a chloroplast
grana - Answers -stacks of thylakoids
lamellae - Answers -groups of unstacked thylakoids connecting grana
thylakoid membrane - Answers -the photosynthetic membrane within a chloroplast that
contains light-gathering pigments molecules and electron transport chains, this is where
the light dependant reaction occurs
thylakoid lumen - Answers -the fluid-filled space inside a thylakoid
ATP - Answers -adenosine triphosphate, a molecule containing three high-energy
phosphate bonds that acts as the primary energy-transferring molecule in living
organisms
ADP - Answers -adenosine diphosphate, a molecule containing two high-energy
phosphate bonds that may be formed by breaking one phosphate bond in ATP
NADP+ - Answers -a compound that accepts one hydrogen ion and two electrons, is an
electron acceptor
NADPH - Answers -a compound which donates one hydrogen ion and two electrons, is
an electron donor
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