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

Bud grafting, Bud grafting A 'T' shaped incision is made on the bark...

Bud grafting A 'T' shaped incision is made on the bark of the stock. A bark is removed on either side of vertical cut. A single bud scion with a little wood is placed

What is the expected phenotypic proportion, In tomatoes, two alleles of one...

In tomatoes, two alleles of one locus determine the character difference of purple versus green stems (alleles are P and p with P being completely dominatn and coding for purple st

Describe the process of rodent control, Q. Describe the process of Rodent c...

Q. Describe the process of Rodent control? Rats and mice are destructive and cause huge loss of stored food commodities. They transmit pathogenic bacteria. Rats and mice are ge

Similarities and differences between the two species, Compare the teeth of ...

Compare the teeth of Australopithecus afaensis and Homo sapiens. a)Describe the similarities and differences between the two species. b) Write a hypothesis about dietary difference

Explain about vitamins, Vitamins Vitamins, as you may already know, der...

Vitamins Vitamins, as you may already know, derive its name from the word 'Vital Amine'. These are the organic compounds required for normal metabolism, growth and developme

Excretion, How will the urine concentration be affected if the henle''s loo...

How will the urine concentration be affected if the henle''s loop of a person is removed and his PCT is joined directly with DCT?

Describe phosphorylated for atp formation, Q. What is compound that is phos...

Q. What is compound that is phosphorylated for ATP formation? What is resulting compound when ATP liberates energy? adenosine triphosphate or ATP is formed after the binding of

Explain the safe requirement of nutritional needs, Explain the Safe Require...

Explain the Safe Requirement of nutritional needs? Given the individual variations in nutritional requirements that have been discussed earlier, the lowest continuing intake le

Difference between the reptile heart and the amphibian heart, Q. What is th...

Q. What is the difference between the reptile heart and the amphibian heart? The reptiles have incomplete and double circulation three heart chambers two atria and one ventricl

Hemicryptophytes - classes of life form, Hemicryptophytes - Classes of Life...

Hemicryptophytes - Classes of Life Form In this case the perennating buds or organs are situated at the soil surface where they are protected by soil and fallen leaves. These

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