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

Importance of the glucose blood level for human health, Q. What is the impo...

Q. What is the importance of the glucose blood level for human health? The glucose blood level (glycemia) must be kept normal if it is abnormally low there is not sufficient gl

Tolerance range, what is the tolerance range of man and tillapia

what is the tolerance range of man and tillapia

Phytoflagellates - protozoan, Phytoflagellates – Protozoan Phytoflagel...

Phytoflagellates – Protozoan Phytoflagellates are autotropbs that possess chlorophyll or other related pigments, and store food as fats, oils and starches (other than glycogen

Explain the general characteristics of honey, A) General Characteristics ...

A) General Characteristics 1) It should be a well-ripened natural product. 2) It should be clear and visually transparent. 3) It should be extracted with the help of a

Determine the importance of the extraoral, Determine the Importance of the ...

Determine the Importance of the extraoral Importance of the extraoral photographs cannot be overemphasized for implants in the esthetic zone as the amount of visibility of tee

What is pre-requisites of counselling, Q. What is Pre-requisites of counsel...

Q. What is Pre-requisites of counselling? Pre-requisites of counselling are: 1. Facilities for counselling to be available for the patient near home or working place. 2.

Explain micronutrient, Which one of the following is not a micronutrient? ...

Which one of the following is not a micronutrient? 1. Molybdenum 2. Magnesium 3. Zinc 4. Boron. Magnesium

What is frog central nervous system, What is frog central nervous system ...

What is frog central nervous system Consider Neuron B in the frog central nervous system whose plasma membrane has a newly discovered ligand-gated ionotropic receptor, named th

How does the swim bladder of fishes work, How does the swim bladder of fish...

How does the swim bladder of fishes work allowing fishes to control their depth under water? From Hydrostatics it is called that an object does not sink if its density is equal

Hybridization, what is hybridization,and what are its different types??

what is hybridization,and what are its different types??

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