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Glossary of terms used on this site

Glossary of biology.

Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
granum
Glossaries - Biology glossary

stack of thylakoids located inside a chloroplast

granzyme
Glossaries - Biology glossary

protease that enters target cells through perforin and induces apoptosis in the target cells; used by NK cells and killer T cells

gravitropism
Glossaries - Biology glossary

response of a plant growth in the same direction as gravity

grazing food web
Glossaries - Biology glossary

type of food web in which the primary producers are either plants on land or phytoplankton in the water; often associated with a detrital food web within the same ecosystem

greenhouse effect
Glossaries - Biology glossary

warming of Earth due to carbon dioxide and other greenhouse gases in the atmosphere

greenhouse gases
Glossaries - Biology glossary

atmospheric gases such as carbon dioxide and methane that absorb and emit radiation, thus trapping heat in Earth’s atmosphere

gross primary productivity
Glossaries - Biology glossary

rate at which photosynthetic primary producers incorporate energy from the sun

ground tissue
Glossaries - Biology glossary

plant tissue involved in photosynthesis; provides support, and stores water and sugars

group I virus
Glossaries - Biology glossary

virus with a dsDNA genome

group II virus
Glossaries - Biology glossary
group IV virus
Glossaries - Biology glossary

virus with an ssRNA genome with positive polarity

group V virus
Glossaries - Biology glossary

virus with an ssRNA genome with negative polarity

group VI virus
Glossaries - Biology glossary

virus with an ssRNA genome converted into dsDNA by reverse transcriptase

group VII virus
Glossaries - Biology glossary

virus with a single-stranded mRNA converted into dsDNA for genome replication

growth factor
Glossaries - Biology glossary

ligand that binds to cell-surface receptors and stimulates cell growth