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

Euthenics, Euthenics : It is the study of improvement of human races by pro...

Euthenics : It is the study of improvement of human races by providing better conditions. Euthenics means human improvement by altering external factors like as education or the co

Eczema and dermatitis, Eczema and Dermatitis: Eczema and Dermatitis ar...

Eczema and Dermatitis: Eczema and Dermatitis are a common problem  all over the world. Their incidence is 2-3  per cent of all medical problems seen  in practice (about 30 per

Explain what it does to fluid balance, Caffeine and alcohol both block the ...

Caffeine and alcohol both block the secretion of ADH from the posterior pituitary gland. Explain what this does to fluid balance. Does it make sense to drink caffeine before an ath

Growth and development of plants, Growth and Development of Plants You...

Growth and Development of Plants You must have seen beautiful plants growing in pots in a garden. The plant grows while the pot does not. As a rule living things grow, but non

Associated foods with escherichia coli, Q. Associated Foods with escherichi...

Q. Associated Foods with escherichia coli? Associated Foods: E. coli is the etiologic agent of food poisoning involves variety of foods such as cream pie, mashed potatoes, cr

Explain about coping mechanism, Q. Explain about Coping mechanism? Copi...

Q. Explain about Coping mechanism? Coping mechanism is defined as the skill used to reduce stress. In other words, these are consciously used skills. Overuse of coping mecha

Pelagic zone - organisation of the marine ecosystem, Pelagic Zone - Organis...

Pelagic Zone - Organisation of the Marine Ecosystem The waters contained in the sea basin, constitute the pelagic zone which is divided into The neritic zone situ

Define protein needs in nutrient requirement, Define Protein needs in Nutri...

Define Protein needs in Nutrient Requirement and Dietary Management? It is one of the most crucial nutrient which determines the ultimate outcome of burns. Amino acid requireme

Types of asexual reproduction, TYPES OF ASEXUAL REPRODUCTION ...

TYPES OF ASEXUAL REPRODUCTION 1 . Binar y fission - Amoeba 2. Multipl e fission -

Vertebrate, Basic characters of vertebrate classes

Basic characters of vertebrate classes

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