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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
electron transfer
Glossaries - Biology glossary

movement of electrons from one element to another; important in creating ionic bonds

electron transport chain
Glossaries - Biology glossary

group of proteins between PSII and PSI that pass energized electrons and use the energy released by the electrons to move hydrogen ions against their concentration gradient into the thylakoid lumen

electronegativity
Glossaries - Biology glossary

ability of some elements to attract electrons (often of hydrogen atoms), acquiring partial negative charges in molecules and creating partial positive charges on the hydrogen atoms

electrophoresis
Glossaries - Biology glossary

technique used to separate DNA fragments according to size

element
Glossaries - Biology glossary

one of 118 unique substances that cannot break down into smaller substances; each element has unique properties and a specified number of protons

elevation
Glossaries - Biology glossary

movement of a bone upward, such as when the shoulders are shrugged, lifting the scapulae

emergent vegetation
Glossaries - Biology glossary

wetland plants that are rooted in the soil but have portions of leaves, stems, and flowers extending above the water’s surface

emerging disease
Glossaries - Biology glossary

disease making an initial appearance in a population or that is increasing in incidence or geographic range

Emsleyan/Mertensian mimicry
Glossaries - Biology glossary

type of mimicry where a harmful species resembles a less harmful one

enantiomers
Glossaries - Biology glossary

molecules that share overall structure and bonding patterns, but differ in how the atoms are three dimensionally placed such that they are mirror images of each other

Enantiornithes
Glossaries - Biology glossary

dominant bird group during the Cretaceous period

endemic
Glossaries - Biology glossary

species found only in a specific geographic area that is usually restricted in size

endemic disease
Glossaries - Biology glossary

disease that is constantly present, usually at low incidence, in a population

endemic species
Glossaries - Biology glossary

species native to one place

endemic species
Glossaries - Biology glossary

species native to one place