Steroids, Biology

Assignment Help:

STEROIDS

  1. They are a group of tetracyclic lipid derivatives which have a nucleus of cyclopentano-perhydrophenanthrene with phenanthrene part made of 3 hexane rings while the fourth ring is a pentane.
  2. The most common sterol is cholesterol.
  3. Ergasterol occurs in cell membranes of ergot fungi, yeast.
  4. Coprosterol is found in stool. It is formed by bacterial reduction of cholesterol.
  5. Sitosterol present in wheat germ oil.
  6. Steroids are of two types -

(i) Alcoholic steroids (Sterol) - Cholesterol, Coprosterol, 7-dehydroxycholesterol, Bile salts

(ii) Ketonic steroids (Sterone) - Ecdyson, Diosgenin, Adrenocorticoids, Sex hormone


Related Discussions:- Steroids

Knock-out experiment, Knock-out experiment  is a method for deleting, mutat...

Knock-out experiment  is a method for deleting, mutating or otherwise inactivating the gene in a mouse. This laborious technique involves transfecting a crippled gene into cultured

Define muscular endurance component for physical fitness, Define Muscular e...

Define Muscular endurance component for physical fitness? It is the ability of a muscle, or a group of muscles to sustain repeated contractions or to continue applying force ag

Atp, ATP The energy currency of the body One of the monomers u...

ATP The energy currency of the body One of the monomers used in the synthesis of RNA Contains three phosphate groups àhigh energy Removal of one releases e

Define about the listing plane, Define about the Listing Plane Listing ...

Define about the Listing Plane Listing proposed that only horizontal movements  of  the  eye  are performed around a vertical axis  in  the equatorial plane and vertical moveme

How does the excretory system of nematodes work, How does the excretory sys...

How does the excretory system of nematodes work? The metabolic residuals of nematodes are collected by two longitudinal lateral excretory channels that open in one excretory po

Explain saturated fatty acids, Saturated fatty  acids General formula o...

Saturated fatty  acids General formula of saturated fatty acids  is CH3  (CHI), COOH. It has a polar end with a free XOOH group and a non-polar end with a hydrocarbon chain, as

What is human glucose transporters (glut), What is Human Glucose Transporte...

What is Human Glucose Transporters (GLUT)? All GLUTS are the integral proteins, which penetrate and span the lipid bilayer of plasma membrane. Six isomers of GLUT have been des

DNA, what is the genetic code of life

what is the genetic code of life

How is this neural organization important for the diversity, Is the nervous...

Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization impo

Health hazards with poor management of bio-medical waste, Health Hazards wi...

Health Hazards with poor management of Bio-medical waste Health hazards associated with poor management of Bio-medical waste are: - Injury from sharps to staff and waste han

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd