tail

Symbiosis

...f danger the goby fish touches the shrimp with its tail to warn it of imminent danger. When that happens both the shrimp and goby fish quickly retract into the burrow. A famous land version of symbiosis is the relationship of the Egyptian Plover bird and the crocodile . In this relationship, the bird...

Splicing (genetics)

... A trailer that follows the exons; A poly- A tail that follows the trailer; The poly-A tail serves as a stalling mechanism; when exonucleases begin to degrade the 3' end, the long trail of ext...

Sperm

...rmally of a head, basal body (or midpiece ), and tail . The head contains some cytoplasm and the nucl... through the production of ATP . The spermatozoan tail is typically a flagellum used for propulsion. In humans, sperm cells consists of a head 5 m by ...

Protein biosynthesis

...the mRNA to protect it from degradation. A poly-A tail is added on the 3’ end for protection and as a template for further process. Translation Main article: Translation During translation, the message of mRNA is decoded to make proteins . Initiation and elongation occur when the ribosom...

Phage

...200 nm . The vast majority of phages (95%) have a tail to let them inject their genetic material into the host. Phages were discovered independently by Frederick Twort in 1915 and by Flix d’Herelle in 1917. d'Herelle continued his research and development in Stalin 's Soviet Union . Phages inf...

Lipid

...onsists of a polar head group ( P ) and a nonpolar tail ( U for unpolar). The lipid shown is a phospholip...tion, mainly on the ratio of the head area and the tail length. Lipid bilayers form the foundation of all biological membranes . See also Biochemist...