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Pages Tagged with Cell

Caveolae

Synonyms: Coated pit

Coated pits are concavities in the cell membrane rich in specific proteins and lipids. They play an important role in signal transduction and endocytosis.

Tags: Anatomy Cell


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Excitotoxicity

**Excitotoxicity** describes a process by which nerve cells die after excessive stimulation. The accumulation of neurotransmitters in synapses is made responsible. Neurotransmitters such as glutamate can become toxic. As with ...

Tags: Cell Information


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L1 Mobile Element

Synonyms: L1 Retrotransposon

The sequence of a typical L1 Retrotransposon [[http://www.ncbi.nlm.nih.gov/nuccore/U09116.1|downloaded from NCBI]]. {{{ LOCUS HSU09116 6539 bp DNA linear PRI 26-OCT-2005 DEFINITION Human retrotransposable L1 element LRE2 from chromosome 1q. ACCESSION U09116 ...

Tags: Cell DNA Genetics


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Peto's paradox

Peto observed that the risk of cancer increases with the time of exposure to a cancerogene and the number of cells exposed <>. <
> Although one would expect ...

Tags: Cell Multicellularity Paradox System


Categories: Biology


Plasma Membrane

Synonyms: Cell Membrane

The **plasma membrane** in Eukaryotes separates the cell's cytoplasm from the surrounding extracellular environment. The plasma membrane is a lipid bilayer, a double sheet of phospholipids. <> Phospholipid are ...

Tags: Anatomy Cell


Categories: Biochemistry


Transposons

Synonyms: Transposable Elements; Mobile DNA; Selfish DNA; Junk DNA; Jumping Genes

== Definition == **Transposons** are DNA fragments that are capable of moving from one place to an other of a cells genome. == Frequency == The frequency of transposable elements ...

Tags: Cell DNA EvoDevo Evolution Genetics


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