Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
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postzygotic barrier |
Glossaries - Biology glossary
reproductive isolation mechanism that occurs after zygote formation |
potential energy |
Glossaries - Biology glossary
energy type that has the potential to do work; stored energy |
potocytosis |
Glossaries - Biology glossary
variation of pinocytosis that uses a different coating protein (caveolin) on the plasma membrane's cytoplasmic side |
precapillary sphincter |
Glossaries - Biology glossary
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precapillary sphincter |
Glossaries - Biology glossary
small muscle that controls blood circulation in the capillary beds |
predator |
Glossaries - Biology glossary
organism that kills and consumes another organism |
preinitiation complex |
Glossaries - Biology glossary
cluster of transcription factors and other proteins that recruit RNA polymerase II for transcription of a DNA template |
presbyopia |
Glossaries - Biology glossary
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prezygotic barrier |
Glossaries - Biology glossary
reproductive isolation mechanism that occurs before zygote formation |
primary active transport |
Glossaries - Biology glossary
active transport that moves ions or small molecules across a membrane and may create a difference in charge across that membrane |
primary active transport |
Glossaries - Biology glossary
active transport that moves ions or small molecules across a membrane and may create a difference in charge across that membrane |
primary bronchus |
Glossaries - Biology glossary
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primary consumer |
Glossaries - Biology glossary
trophic level that obtains its energy from the primary producers of an ecosystem |
primary electron acceptor |
Glossaries - Biology glossary
pigment or other organic molecule in the reaction center that accepts an energized electron from the reaction center |
primary feather |
Glossaries - Biology glossary
feather located at the tip of the wing that provides thrust |