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

Whcih animals are triploblastic, Which one of the following kinds of animal...

Which one of the following kinds of animals are triploblastic? 1. Flat worms 2. Sponges 3. Ctenophores 4. Corals Flat worms

Fresh water-types of water found on earth, Fresh Water Water, a univers...

Fresh Water Water, a universal solvent, invariably contains many soluble salts. In fresh water the total salt content remains under 15 percent. Different types of soluble salts

What is a food allergy (hypersensitivity), What is a Food Allergy (Hypersen...

What is a Food Allergy (Hypersensitivity)? A food allergy or hypersensitivity is an abnormal response to a food by our immune system. As illustrated in Figure, this non-toxic a

Define control of infections for treatment for pem, Define Control of infec...

Define Control of infections for treatment for pem? Appropriate antibiotics should be started immediately since infections are the immediate cause of death in many children. Ch

What are the plant tropisms, What are the plant tropisms? Tropisms are ...

What are the plant tropisms? Tropisms are the movements that caused by external stimulus. In Botany the studied plant tropisms are phototropism (tropism in response to light),

Carbohydrates, Carbohydrates Fifty five to seventy per cent of the re...

Carbohydrates Fifty five to seventy per cent of the required energy in animals is derived from carbohydrates. However, fats and proteins can also be broken down and used for

What are seed gums, What are seed gums? What are its characteristic propert...

What are seed gums? What are its characteristic properties? Seed gums are a group of polysaccharides with the following properties: light to dark cream colored amorphou

What is muscular dystrophy, What is Muscular dystrophy Muscular dystro...

What is Muscular dystrophy Muscular dystrophy :- Defects in the muscle due to faulty nutrition.

Protein requirements of school children and adolescents, Determine Protein ...

Determine Protein requirements of school children and adolescents? FAO/WHO/UIW (1985) recommends factorial method to compute their protein requirements. The factorial value is

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