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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
RNA stability
Glossaries - Biology glossary

how long an RNA molecule will remain intact in the cytoplasm

RNA-binding protein (RBP)
Glossaries - Biology glossary

protein that binds to the 3' or 5' UTR to increase or decrease the RNA stability

rod
Glossaries - Biology glossary

strongly photosensitive, achromatic, cylindrical neuron in the outer edges of the retina that detects dim light and is used in peripheral and nighttime vision

root cap
Glossaries - Biology glossary

protective cells covering the tip of the growing root

root hair
Glossaries - Biology glossary

hair-like structure that is an extension of epidermal cells; increases the root surface area and aids in absorption of water and minerals

root system
Glossaries - Biology glossary

belowground portion of the plant that supports the plant and absorbs water and minerals

rooted
Glossaries - Biology glossary

single ancestral lineage on a phylogenetic tree to which all organisms represented in the diagram relate

rotational movement
Glossaries - Biology glossary

movement of a bone as it rotates around its own longitudinal axis

rough endoplasmic reticulum (RER)
Glossaries - Biology glossary

region of the endoplasmic reticulum that is studded with ribosomes and engages in protein modification and phospholipid synthesis

roughage
Glossaries - Biology glossary

component of food that is low in energy and high in fiber

Ruffini ending
Glossaries - Biology glossary

Ruffini ending stretch and joint position

ruminant
Glossaries - Biology glossary

animal with a stomach divided into four compartments

runner
Glossaries - Biology glossary

stolon that runs above the ground and produces new clone plants at nodes