AP BIO 3 Pt 1
Terms in this set (25)
The range of a pigment's ability to absorb various wavelengths of light.
energy absorbing plant pigments other than chlorophyll
the entry compound for the citric acid cycle in cellular respiration, formed from a fragment of pyruvate attached to a coenzyme
A graph that profiles the relative effectiveness of different wavelengths of radiation in driving a particular process.
the minimum amount of energy required to start a chemical reaction
a region on an enzyme that binds to a protein or other substance during a reaction.
Metabolic pathways that construct molecules, requiring energy.
The metabolism that takes place in the absence of oxygen; the principle product is lactic acid.
The binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site.
(adenosine triphosphate) main energy source that cells use for most of their work
An organism that makes its own food
reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars
Metabolic pathways that break down molecules, releasing energy.
substance that speeds up the rate of a chemical reaction
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
A process for synthesizing ATP using the energy of an electrochemical gradient and the ATP synthase enzyme.
Organisms that use hydrogen sulfide or other chemicals as energy source instead of light.
Green pigment in plants that absorbs light energy used to carry out photosynthesis
organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy
citric acid cycle
A chemical cycle involving eight steps that completes the metabolic breakdown of glucose molecules to carbon dioxide; occurs within the mitochondrion; the second major stage in cellular respiration.
If the cofactor is an organic molecule.
Non-protein helpers that may be bound tightly to the enzyme as a permanent resident, or may bind loosely and reversibly along with the substrate.
Membrane-bound organelles allow different parts of the cell to perform different functions at the same time
An organism that obtains energy by feeding on other organisms
cyclic electron flow
A route of electron flow during the light reactions of photosynthesis that involves only photosystem I and that produces ATP but not NADPH or oxygen.
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