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

Simple proteins, SIMPL E PROTEINS The proteins are made of amino acids...

SIMPL E PROTEINS The proteins are made of amino acids only. Additional chemicals are absent. These are of two types -    (i) Fibrous        (ii) Globular ( i )

Define safety points that should used in the laboratory, Define Safety poin...

Define Safety points that should used in the Laboratory? You should be aware of the rules/regulations and the procedures before undertaking any practical work in the laboratory

Plant biodiversity, discuss why obelia is considered to be a special organi...

discuss why obelia is considered to be a special organism in zoology

Respiratory insufficiency and respiratory failure, Respiratory Insufficienc...

Respiratory Insufficiency Respiratory insufficiency usually indicate inadequate exchange of oxygen and carbondioxide to meet the needs of the body during normal activities.

What is green fluorescent protein, Q. What is green fluorescent protein (GF...

Q. What is green fluorescent protein (GFP)? Green fluorescent protein is a protein which is found in a luminescent jellyfish (Aquorea victoria) that lives in cold waters of nor

Main species of taenias that cause human diseases, Q. What are the two main...

Q. What are the two main species of taenias that cause human diseases? The two chief species of taenias that cause disease in humans are Taenia solium, or the pork tapeworm, an

Fate maps, Fate Maps The details of the procedure of gastrulation are...

Fate Maps The details of the procedure of gastrulation are not simple to understand without the knowledge of positions of the cells of the future germinal layers in the blast

Zoology, living and non living

living and non living

Environmental accounting, Valuation of biological resources includes the pr...

Valuation of biological resources includes the process of deriving a monetary value to the things that are not sold in the market. Examples are the value given to fuelwood gathere

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