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

Explain the food applications of gum arabic, Explain the Food Applications ...

Explain the Food Applications of Gum Arabic A major use for gum Arabic is in the confectionery industry where it has two important functions; to retard or to prevent crysta

Homologous series, Homologous series A homologous series can be illust...

Homologous series A homologous series can be illustrated as a group of compounds in which the several members have similar structural features and identical chemical propertie

What is tuberculosis, What is tuberculosis? How is the disease transmitted?...

What is tuberculosis? How is the disease transmitted? Is there treatment for tuberculosis? Tuberculosis is a disease caused by the Mycobacterium tuberculosis, bacteria which at

Define unintentional adulteration - types of adulteration, Define Unintenti...

Define Unintentional Adulteration - Types of Adulteration? These are the contaminations occur unknowingly or incidently in the food during harvesting, handling, transportation,

List four common exercises you will recommend to a patient, List four commo...

List four common exercises you will recommend to a patient. Common exercises are: - brisk walking - cycling - swimming - playing tennis - dancing - rope skip

What are the steroids, Q. What are the steroids? What are the few examples ...

Q. What are the steroids? What are the few examples of steroids with a biological function? Steroids are lipids based in an angular combination of four carbon rings, one ring m

Define the luminal membranes, A healthy person is on a diet that consists o...

A healthy person is on a diet that consists of very small amounts of water. A. This person will have high water permeability across the luminal membranes of the medullary colle

Is there a larval stage in echinoderms, Q. Is there a larval stage in echin...

Q. Is there a larval stage in echinoderms? In echinoderms embryonic development is indirect, with ciliated larvae.

Polyembryony, Polyembryony Presence of more than one embryo in a seed...

Polyembryony Presence of more than one embryo in a seed is termed polyembryony. The phenomenon, first discovered in orange seeds by Leeuwenhoek (1719), attracted considerable

What is excessive fat intake, What is Excessive Fat Intake? Although mi...

What is Excessive Fat Intake? Although minimum amount of fat is essential as calculated above but upper limit of fat should be drawn due to its link with an increased risk of d

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