Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
---|---|
poly-A tail |
Glossaries - Biology glossary
modification added to the 3' end of pre-mRNAs to protect mRNA from degradation and assist mRNA export from the nucleus |
polyandry |
Glossaries - Biology glossary
mating system where one female mates with many males |
polycarpic |
Glossaries - Biology glossary
plants that flower several times in their lifetime |
polygenic |
Glossaries - Biology glossary
phenotypic characteristic caused by two or more genes |
polygyny |
Glossaries - Biology glossary
mating system where one male mates with many females |
polymer |
Glossaries - Biology glossary
chain of monomer residues that is linked by covalent bonds; polymerization is the process of polymer formation from monomers by condensation. |
polymerase chain reaction (PCR) |
Glossaries - Biology glossary
technique to amplify DNA |
polymorphic |
Glossaries - Biology glossary
possessing multiple body plans within the lifecycle of a group of organisms |
polynucleotide |
Glossaries - Biology glossary
long chain of nucleotides. |
polyp |
Glossaries - Biology glossary
stalk-like sessile life form of a cnidarians with mouth and tentacles facing upward, usually sessile but may be able to glide along surface |
polypeptide |
Glossaries - Biology glossary
long chain of amino acids linked by peptide bonds. |
polyploid |
Glossaries - Biology glossary
individual with an incorrect number of chromosome sets |
polysaccharide |
Glossaries - Biology glossary
long chain of monosaccharides; may be branched or unbranched. |
polysome |
Glossaries - Biology glossary
|
polyspermy |
Glossaries - Biology glossary
condition in which one egg is fertilized by multiple sperm |