A) It delivers cholesterol to cells B) It contains only one Apoprotein C) It is a marker for cardiovascular disease D) It contains Apo-B4 Answer (Select an option above to get the answer):
A) Retinol, retinal and retinoic acid B) Retinol, retinal and tetrahydrofolate C) Retinol, conjugase and retinoic acid D) PABA, retinal and retinaldehyde Answer (Select an option above to get the answer):
A) Linear number and order of the amino acids present B) Regular conformational forms of a protein C) Complete three-dimensional structure of the polypeptide units of a given protein D) Subunit structure of the protein Answer (Select an option above to get the answer):
(Single Best Answer) Question 237: Excessive ultraviolet (UV) radiation is harmful to life. The damage caused to the biological systems by ultraviolet radiation is by ?
A) Inhibition of DNA synthesis B) Formation of thymidine dimers C) Ionization D) DNA fragmentation Answer (Select an option above to get the answer):
A) It is one of the most important secondary structure B) It has a net dipole moment C) All hydrogen bonds are aligned in the same direction D) Long stretches of left handed alpha-helices occur in proteins Answer (Select an option above to get the answer):