Biology Keystone Bioenergetics Unit Vocabulary

These vocabulary terms are used in Unit 3 - Bioenergetics.
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chloroplast
An organelle found in plant cells and the cells of other eukaryotic photosynthetic organisms where photosynthesis occurs
mitochondrion
A membrane-bound organelle found in most eukaryotic cells; site of cellular respiration
bioenergetics
The study of energy flow (energy transformations) into and within living systems
cellular respiration
A complex set of chemical reactions involving an energy transformation where potential chemical energy in the bonds of "food" molecules is released and partially captured in the bonds of adenosine triphosphate (ATP) molecules
photosynthesis
A process in which solar radiation is chemically captured by chlorophyll molecules and through a set of controlled chemical reactions resulting in the potential chemical energy in the bonds of carbohydrate molecules
adenosine triphosphate (ATP)
A molecule that provides energy for cellular reactions and processes. ATP releases energy when one of its high-energy bonds is broken to release a phosphate group.
energy transformation
A process in which energy changes from one form to another form while some of the energy is lost to the environment
chlorophyll
A pigment common in chloroplasts that is able to absorb energy from light
biochemical conversion
The changing of organic matter into other chemical forms such as fuels
photon
A unit of light energy
plastids
A group of membrane-bound organelles commonly found in photosynthetic organisms and mainly responsible for the synthesis and storage of food
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