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

Cytological approach, Write an essay on cytological approach in taxonomy.

Write an essay on cytological approach in taxonomy.

What are the techniques of pumonary embolism operations, What are the techn...

What are the techniques of pumonary embolism operations ? Technique of Operation :  Patients who are very unstable will have to be put on bypass by cannulation of femoral art

Chromosome partitioning depends on polymerization state, Chromosome partiti...

Chromosome partitioning depends on changes in the polymerization state of bacterial proteins that are functionally analogous to what eukaryotic protein?

Explain vegetable dehydration, Explain Vegetable dehydration It reduces...

Explain Vegetable dehydration It reduces the natural water content below the level critical for the growth of microorganisms (12-15%), without being detrimental to important nu

What are restriction enzymes, What are restriction enzymes? How do these en...

What are restriction enzymes? How do these enzymes participate in the recombinant DNA technology? The Restriction enzymes, or restriction endonucleases, are enzymes specialized

What is resting membrane potential of a neuron, What is resting membrane po...

What is resting membrane potential of a neuron? What is the function of sodium potassium pumps in maintaining it?

Implantable cardioverter defibrillator, Patients with aborted sudden death,...

Patients with aborted sudden death, hemodynamically unstable ventricular arrhythmias, and unexplained cardiogenic syncope are at high risk for fatal ventricular arrhythmias. If the

Show the error detection and editing function, Q. Show the Error Detection ...

Q. Show the Error Detection and Editing Function? Error Detection and Editing Function: Consciousness helps us avoid acting solely through habit. It allows us to make novel res

Pre-procedural mouth rinse, Pre-procedural mouth rinse Patients' use of...

Pre-procedural mouth rinse Patients' use of a an anti-microbial mouthwash of 0.12% chlorhexidine gluconate solution for 30 seconds prior to intra-oral procedures will reduce th

What is crossing over?how meiosis related to this phenomenon, What is cross...

What is crossing over? How is meiosis related to this phenomenon? The Linked alleles for instance, A-b and a- B form the gametes A-b and a-B that maintain the linkage of the al

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