Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
---|---|
O horizon | Glossaries - Biology glossary |
obligate aerobes | Glossaries - Biology glossary organisms, such as humans, that must perform aerobic respiration to survive |
obligate anaerobes | Glossaries - Biology glossary organisms that only perform anaerobic respiration and often cannot survive in the presence of oxygen |
occipital lobe | Glossaries - Biology glossary part of the cerebral cortex that contains visual cortex and processes visual stimuli |
ocean upwelling | Glossaries - Biology glossary rising of deep ocean waters that occurs when prevailing winds blow along surface waters near a coastline |
oceanic zone | Glossaries - Biology glossary part of the ocean that begins offshore where the water measures 200 m deep or deeper |
Octamer box | Glossaries - Biology glossary (ATTTGCAT) nonessential eukaryotic promoter sequence that binds cellular factors to increase the efficiency of transcription; may be present several times in a promoter |
octet rule | Glossaries - Biology glossary |
odorant | Glossaries - Biology glossary |
Okazaki fragment | Glossaries - Biology glossary DNA fragment that is synthesized in short stretches on the lagging strand |
olfaction | Glossaries - Biology glossary sense of smell |
olfactory bulb | Glossaries - Biology glossary neural structure in the vertebrate brain that receives signals from olfactory receptors |
olfactory epithelium | Glossaries - Biology glossary specialized tissue in the nasal cavity where olfactory receptors are located |
olfactory receptor | Glossaries - Biology glossary |
oligodendrocyte | Glossaries - Biology glossary |