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

Is cancer a disease transmitted to the individual offspring, How are mutage...

How are mutagenic agents related to cancer incidence in a population? Is cancer a disease transmitted to the individual offspring? The exposition of a population to mutagenic a

Phylum protoazoa, what is the respiratory organ of phylum protozoa?

what is the respiratory organ of phylum protozoa?

Structure and function of triacylglycerols , Triacylglycerols  which is als...

Triacylglycerols  which is also  known as  triglycerides or fats  consist  of  three  fatty  acid chains  esterified  to  a  glycerol  backbone.  Simple  triacylglycerols   have  t

Name the rich source of aerobic bacteria, 1. Biogas is produced by the acti...

1. Biogas is produced by the activity of aerobic bacteria on animal waste 2. Methanobacterium is an aerobic bacterium found in rumen of cattle 3. Biogas, commonly called goba

Impoundments - lentic ecosystems, Impoundments - Lentic Ecosystems We...

Impoundments - Lentic Ecosystems We have so far discussed natural lakes. In addition to these there are a number of lakes both small and large artificially created by man cal

Secondary and tertiary consumers - biotic components, Secondary and Tertiar...

Secondary and Tertiary Consumers - Biotic Components Besides there are animals which depend on herbivores for food and are called secondary consumers. Since secondary consumer

Acute myocardial infarction with haemodynamic deterioration, Acute Myocardi...

Acute Myocardial Infarction with Haemodynamic Deterioration :  These patients may require urgent insertion of intra aortic balloon pump (IABP) followed by PTCA or surgery. 50 per

Determine the photographic analysis, Photographic Analysis Documentatio...

Photographic Analysis Documentation is critical in any clinical procedure and more importantly in this field where due to the cost of the treatment involved, there is little ma

Protoza, writE advantages and advantages of protoza

writE advantages and advantages of protoza

Wbc.., Ask question #Minimuwwm 100 words accepted#

Ask question #Minimuwwm 100 words accepted#

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