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

Becoming online tutor, how can i work with u as an online biology tutor?

how can i work with u as an online biology tutor?

Explain sexually-transmitted diseases, Sexually-transmitted diseases M...

Sexually-transmitted diseases Many travelers have new sexual contacts during their journeys and are at increased risk for acquiring sexually transmitted diseases including HIV

Divergence - mechanism of gastrulation, DIVERGENC E - In it blastom...

DIVERGENC E - In it blastomeres move in different directions i.e. inside the blastocoel the blastomeres move in different directions. The blastomeres which move inside i

Proteins, what is proteins?properties of protein

what is proteins?properties of protein

Give an account of attenuated vaccines, Question 1 Write short note on ...

Question 1 Write short note on inflammatory response 2 Give an account of attenuated vaccines 3 What is innate immunity? Explain its characteristic features 4 What adjuvants? E

Biota of oceans - ecosystem, Biota of Oceans - Ecosystem Life in the s...

Biota of Oceans - Ecosystem Life in the sea is not particularly abundant, though the diversity of organisms is very high. Almost every major group of animals and every major g

What occurs to transcription at the lac operon, What happens to transcripti...

What happens to transcription at the lac operon when lactose is absent and why? What happens to transcription at the lac operon when lactose is present and why? What happens

Chromosomes in a cell, Two chromosomes in a cell have identical length and ...

Two chromosomes in a cell have identical length and centromere position yet are not homologous, what is different about them

Vitality and vigour - qualitative characters, Vitality and Vigour - Qualita...

Vitality and Vigour - Qualitative Characters Vitality is related to the condition of a plant and its capacity to complete its life cycle, while vigor refers more specifically

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