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

Embryology, Explain the gradient theoryof experimental embryology

Explain the gradient theoryof experimental embryology

Assessment of rheumatic fever, Assessment 1. Assess the past and prese...

Assessment 1. Assess the past and present history of illness, sore throat, rheumatic fever and treatment received previously.  2. Family history of rheumatic fever. 3. S

Goal of bcc programme, The overall goal of BCC programs for diabetes mellit...

The overall goal of BCC programs for diabetes mellitus is to promote behaviors that control diabetes mellitus and prevent complications. These include: Following treatment

Define principle for simple staining of bacterial cultures, Define Principl...

Define Principle for Simple Staining of Bacterial Cultures? In simple staining, a single staining agent preferably a basic dye is used. Commonly used basic stains are carbol fu

How protons, Give definitions of atomic number and atomic mass and how they...

Give definitions of atomic number and atomic mass and how they relate to protons, neutrons, and electrons in neutral atoms?

Rapport building of counselling process of diabetic patient, Q. Rapport Bui...

Q. Rapport Building of Counselling process of diabetic patient? 1. Rapport Building - Introduce yourself to the counsellee. - Get the introduction of counsellee. - Sit

Etiological factor of gastritis, Q. Etiological factor of gastritis? Th...

Q. Etiological factor of gastritis? They are same as acute. Generally acute gastritis if well treated gets healed in 3-4 days, however if untreated can progress to chronic gast

Impediments to infuse biology - lack of trained people, Define Impediments ...

Define Impediments to infuse biology - Lack of trained people? At present, biologists as a rule have not been trained sufficiently in quantitative approaches. A heavy dose of m

Animal nutrition - zoology, Anima l Nutrition Nutrition is the procu...

Anima l Nutrition Nutrition is the procurement of substances necessary for growth, maintenance and activities of a living body. The substances used for nutrition are called

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