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Photosynthesis Puzzler
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ACROSS
1 membranous structure within chloroplast
5 pigment found in chloroplast that can be part of the antennal
complex of a photosystem
7 ribulose 1,5-bisphosphate
9 organelle in which photosynthesis occurs
13 source of energy and reducing power
15 Crassulacean acid metabolism
16 spectrum of light waves by a particular pigment
18 time of day stomata are open in CAM plants
19 _____________ separation of fixation and Calvin cycle
occurs in C4 plants
21 electron donor
22 conversion of light energy to chemical energy
23 pores that facilitate gas exchange
24 unit of organized pigments (mostly chlorophyll) that collect
light energy and pass excited electrons to acceptor
molecules
25 ________________proton gradient drives ATP synthesis
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the primary pigment of photosynthesis
formerly referred to as dark reactions of photosynthesis
produced during light reactions
loss of water by plant parts (usually through stomata)
DOWN
reactions that require light and produce ATP and NADPH
tissue that delivers water to the leaves
"connects" the two photosystems
the first detectable product in C4 pathway
site of calvin cycle in most C4 plants
enzyme that catalyzes the initial reaction of Calvin cycle
source of energy for photosynthesis
site of malic acid accumulation in CAM plants
leaf anatomy: large bundle sheath cells surrounded by
mesophyll
17 enzyme that catalyzes CO2 fixation to PEP
20 enzyme complex that forms ATP from ADP and phosphate
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