term1 Definition1term2 Definition2term3 Definition3
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active transport
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy
amino acids
a simple organic compound containing both a carboxyl
cell
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic
cell membrane
the semipermeable membrane surrounding the cytoplasm of a cell.
cell respiration
Cellular respiration is the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products
chloroplast
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place
circulation
movement to and fro or around something, especially that of fluid in a closed system
cytoplasm
the material or protoplasm within a living cell, excluding the nucleus
diffusion
the spreading of something more widely
digestion
the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
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