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

What is the physiological explanation for archaic method, In ancient Greece...

In ancient Greece the father of Medicine, Hypocrates, described a method of diagnosing diabetes mellitus by tasting the patient's urine. What is the physiological explanation for t

Cell theory to be developed after microscopes, Why did it take 150 years fo...

Why did it take 150 years for the cell theory to be developed after microscopes were invented? Information about cells could not be understood and organized into a central theo

What are called transactions, What are called Transactions? The grouped...

What are called Transactions? The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.

Agro industrial-early embryonic mortality, Early embryonic mortality E...

Early embryonic mortality Embryo mortality is a serious problem for farmers, practitioners and researchers. The establishment and maintenance of pregnancy is a highly complica

What are sensory receptors, What are sensory receptors? Sensory recepto...

What are sensory receptors? Sensory receptors are structures specialized in the acquiring of information, such as temperature, mechanical pressure, pH, chemical environment and

Give advantage and disadvantage of asexual reproduction, What are one advan...

What are one advantage and one disadvantage of asexual reproduction compared with sexual reproduction? The benefit of asexual reproduction is that off- spring are genetically

Importance of nutritional interaction, Importance  of nutritional interact...

Importance  of nutritional interaction :- Now  being  realized.  Some  nutrients  are antagonistic to each other whereas others act synergistically. Examples of uniquely related

State the law of independent assortment, (a)State the law of independent as...

(a)State the law of independent assortment. (b )Using punnett square demonstrate the law of independent assortment in a dihybrid cross including two heterozygous parents.

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