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

Valves of the heart, Valves of the Heart There are four valves which ...

Valves of the Heart There are four valves which are flap-like structures that function to maintain unidirectional (forward) blood flow through the heart chambers. These va

Pituitary disorders, PITUITARY DISORDERS - (a) Pituitary Dwarfism . It...

PITUITARY DISORDERS - (a) Pituitary Dwarfism . It is caused by the deficiency of growth hormones (GH) from childhood. It is characterised by small but well porportioned body a

Clinic blood pressure management, Raised blood pressure is a major risk fac...

Raised blood pressure is a major risk factor for cardiovascular disease. The higher the blood pressure, the higher the risk of stroke, coronary heart disease, kidney disease, heart

Terminology use in apical dominance, Terminology use in Apical Dominance ...

Terminology use in Apical Dominance Here are a few terms that will be used in discussing apical dominance. A clear understanding of these terms is needed for understanding the

Define precautions for preparation of bacterial smear, Define Precautions f...

Define Precautions for preparation of bacterial smear 1. The slide should not be greasy. 2. Hold the slide by their edges only. 3. Label should not come in contact with s

What are universal donors & recipients concerning abo blood, What are unive...

What are universal donors and universal recipients concerning the ABO blood system? The Universals donors of the ABO blood type system are the individuals of the type O. The Ty

Demography, Demography : This is the study of populations. In the other wor...

Demography : This is the study of populations. In the other words demography is the statistical study of human population. This may be a very general science which can be applied t

How to prevent or overcome this nutritional deficiency, How to prevent or o...

How to prevent or overcome this nutritional deficiency?  A large number of government schemes and programmes have been launched about which we have already studied in the Publi

What is surviving implants, Compromised health or 'surviving' implants ...

Compromised health or 'surviving' implants The features or clinical conditions which are representative of this group are: i) No pain in the implant site upon function ii

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