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

Patient with diabetes mellitus, Educating a patient with diabetes mellitus....

Educating a patient with diabetes mellitus. At this point you have understood in detail about diabetes mellitus, its management and complications. You can appreciate now why it is

How to investigate mitral stenosis by electrocardiogram, Q. How to Investig...

Q. How to Investigate mitral stenosis by Electrocardiogram? Electrocardiographic changes are not specific for mitral stenosis and are never diagnostic for any valvular heart di

Explain spray-drying method, Spray-drying method Spray-drying is the co...

Spray-drying method Spray-drying is the common drying method in the production of ISP. The primary physical form of ISP in commerce, is that of fine powders. Structured form

Budding, What processes occur during the budding of yeast?

What processes occur during the budding of yeast?

Determine the osseus defects around implants, Osseus defects around implant...

Osseus defects around implants. They are classified into four main groups. Group I defects: These demonstrate moderate horizontal bone loss with a minimal intrabony component

What is secretary diarrhoea, Q. What is Secretary diarrhoea? Secretary ...

Q. What is Secretary diarrhoea? Secretary diarrhoea: It is a result of active secretion OF electrolytes and water by the intestinal epithelium caused by bacterial and viral inf

External features of human heart, External features of human heart H...

External features of human heart Human heart is a muscular, hollow organ situated slightly towards left side of the thorasic cavity. It is made up of special muscles call

Describe infection control sterilization protocol, Q. Describe Infection co...

Q. Describe Infection control sterilization protocol? Today is the age of modern technology coupled with medical challenges. Pervasive increase in serious transmissible disease

How can coacervates be formed of phospholipids, How can coacervates be form...

How can coacervates be formed of phospholipids or polypeptides? Phospholipids are amphipathic molecules, i.e., they present a polar portion and a nonpolar portion. In contact w

Assessment of infective endocarditis, Assessment   Infective endocardit...

Assessment   Infective endocarditis  is characterised  by insidious onset of fever, malaise, night- sweats and weight loss. Other signs include vomiting, fatigue, headache, mya

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