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 mechanisms suggested for bile acid adsorption, Explain the Mech...

Explain the Mechanisms suggested for bile acid adsorption? Mechanisms suggested for bile acid adsorption are: 1. Hydrophobic interactions between lignin and bile acids, 2

Gregor mendel, why green seeds reappeared in the f2 generation

why green seeds reappeared in the f2 generation

What proportion of the offspring, A laboratory mouse homozygous for an RFLP...

A laboratory mouse homozygous for an RFLP marker is mated to a wild mouse that is heterozygous for that marker. One of the heterozygous individuals resulting from this cross is mat

Tertiary structure of protein, T ertiary Structure (3 o S tructure) ...

T ertiary Structure (3 o S tructure) Highly folded protein. Globular in structure. Tertiary structure is stabilised by five types of bonds : (i )      P

The reproductive system of house fly, The reproductive system of house fly:...

The reproductive system of house fly: In houseflies seperate male and female organisms are present. Male housefly reproductive system. The male hothe reproductive syste

Homeostasis, using a specific example describe how hormones have an importa...

using a specific example describe how hormones have an important role in the regulation of body functions and also, what happens if there is an over secretion or an under secretion

What is the difference between the concepts of genome, Q. What is the diffe...

Q. What is the difference between the concepts of genome and karyotype? Genome is the set of DNA molecules that characterizes each species or each living being. The concept the

Explain the burden of hypertension in heart diseases, Explain the Burden of...

Explain the Burden of Hypertension in heart diseases ? Since 1942, there have been several small and large population-based studies on Hypertension. A ineta-analysis showed an

Define ascorbic acid content of white blood cells, Define Ascorbic acid con...

Define Ascorbic acid content of white blood cells? The ascorbic acid content of white blood cells and platelets is a good index of the tissue levels of ascorbic acid. The level

Define capsule staining (anthony staining method), Define Capsule Staining ...

Define Capsule Staining (Anthony Staining Method)? A rigid, well-organized gelatinous layer called capsule is present outside the cell wall of many bacteria e.g. Streptococus p

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