... of a head, basal body (or midpiece ), and tail
. The head contains some cytoplasm and the ... through the production of ATP . The spermatozoan tail
is typically a flagellum used for propulsion.
... sperm cells consists of a head 5 m by 3 m and a tail
50 m long. ...
... trailer that follows the exons;
A poly- A tail
that follows the trailer;
The poly-A tail
serves as a stalling mechanism; when exonucleases ... exons , 5' cap , leader , trailer and poly-A tail
↓ translation ↓
... a Lipid. Many lipids consists of a polar head group ( P ) and a nonpolar tail
( U for unpolar). The lipid shown is a phospholipid (two tails). The ... on the chemical composition, mainly on the ratio of the head area and the tail
Lipid bilayers form the foundation of all biological membranes ....
... DNA in 95% of the phages known) of 5 to 650 kbp (kilo base pairs ) with a length of 24 to 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 ...
... parts of the cell, including cytoplasm and endoplasmic reticulum . A 5’ cap is added to 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.
Main article: Translation
... live. The shrimp is almost blind leaving it vulnerable to predators when above ground. In case of 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 ...