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Chapter 10

Photosynthesis BSC1010

QuestionAnswer
What energy molecule(s) are produced during cyclic photo-phosphorylation? ATP Only
What is the wavelength range of visible light used by most plants in photosynthesis? 400-750 nm.
The half of photosynthesis where light energy is changed into ATP and NADPH. Light Dependent Reactions
The product of the dark reactions (Calvin Benson Cycle) is _______. Glucose
What energy molecule(s) are produced during NON cyclic photo-phosphorylation? ATP and NADPH
A type of plant pigment that absorbs most blue and red wavelengths. Chlorophyll
The product gas in photosynthesis. Oxygen
During which part of photosynthesis is oxygen produced? Non-Cyclic Photophosphorylation - by Photolysis
Name two crops that use the C3 Pathway. wheat, rice
Self feeders Autotrophs
3 parts of Cyclic Photophosphorylation are ______ + ______ + _______. ETS (Electron Transport System), Photosystem I, Acceptor Molecule
What is the name for a packet of light energy? A Photon
The reactant gas in photosynthesis. Carbon Dioxide
Why does photolysis have to occur? To replace electrons lost in photosystem II.
How many times is carbon fixed in C4 plants? Two times
What is the name of the molecule to which carbon dioxide is first "fixed" to in the Calvin Benson cycle? Ribulose Biphosphate
During the dark reactions, ATP provides the _______ and NADPH provides the _______ for building a sugar. energy; H+ and electrons
Another name for the Calvin Benson Cycle (Dark Reactions). The Light Independent Reactions
When each molecule in the ETS accepts and then donates an electron, this is known as _______ reactions. Redox Reactions
What is the organelle that serves as the site of photosynthesis? Chloroplast
Name two crops that use the C4 Pathway. Sugar cane, corn
Which type of process (cyclic or non-cyclic photophosphorylation) has both Photosystem I and II in it? Non-cyclic
The stacked disk-like structures inside the chloroplast. Grana
Self feeders that get their energy from stripping electrons from inorganic compounds such as phosphates and nitrates. Chemosynthetic Autotrophs
What occurs during photolysis? Splitting of Water
Organisms which obtain their carbon and energy from compounds assembled by other organisms. Heterotrophs
The zone inside the chloroplast where sugars are made. Stroma