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Biology 1 Chapter 5

Horizontales
Light absorbing substances
The word ______ is often used to describe how cells get energy from food.
Transfer of carbon dioxide to organic compounds
Acetyl group attached to a molecule
Clusters of pigment are embedded in the membranes of disk-shaped structures
Delivers energy whenever energy is needed in a cell.
ATP is a _____ with two extra energy-storing phosphate groups
Series of molecules through which excited electrons are passed along a thylakoid membrane
Organisms that use energy from sunlight or inorganic substances to make organic compounds
The cycle is named for the biochemist _____ who first proposed the cycle in 1937.
Series of enzymes assisted chemical reactions that produce a three-carbon sugar
Organisms that must get energy from food instead of directly from sunlight or inorganic substances
Molecule that has lost or gained one or more electrons
Process by which light is converted to chemical change
Verticales
An enzyme-assisted anaerobic process that breaks down one six-carbon molecule of glucose to two three-carbon pyruvates.
When light strikes a thylakoid in a chloroplasts, energy is _____ to electrons in chlorophyll and other pigments
Metabolic processes that require oxygen
Most autotrophs, especially plants are _____.
Involves either using energy to build molecules or breaking down molecules in which energy is stored.
Metabolic process similar to burning fuel
The Calvin Cycle is named for _____, the American biochemists who worked out the chemical reactions in the cycle.
The recycling of NAD+ using an organic hydrogen acceptor
_____ is used to make energy-storing compounds
Electron carrier that provides the high energy electrons needed to make ATP used to power the 3rd stage of photosynthesis