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Construction of a restriction map of DNA requires all of the following except :
(^) Complete hydrolysis of DNA

(B) Partial hydrolysis of DNA

(9 Cydic heating and cooling of the reaction mixture

(0) Electrophoretic separation of fragments on a gel

One theory of senescence is that it results from a lifetime of damage by 1
(^) Teratogens (18) Aneuploidy (09) Free radicals (D} Cytomegalovirus

The function of endonucleases during eukaryotic transcription termination is :
(^) To expose the TATA sequences in the primary transcripl

(8) To expose the polyadenylation site on the primary transcript

(C) 10 form a hairpin loop structure in the primary transcript

(D) To cut the primary transcript RNA away from the RNA polymerase

All the following are constituents of ganglioside molecules except :
[ക] Glycerol (B) Sialic acid
(C) Sphigosine (ಐ) Long chain fatty acid

PS-I gets de-energised electrons from :
(A) Water (B) Plastoquinone (C) Plastocyanin (9) Cytachrome f

One of them is a scientist involved in studies on vitamin D action :
(A) Antony Norman (8) Antony Means
(C) Antony Quinn (D) Mark Antony

Which of the following statements explains the use of fluorochromes in immunophenotyping
by clinical flow cytometry ?

(ക) Fluorochromes bind non-specifically to leukacytes

(B) All fluorachromes emit light at the same wavelength

(C) Several fluorochromes can be excited by light of a single wavelength

(D) ‏عط‎ wavelength of the emitted light is the same as that of the incident light

What do flippases and floppases do ?

(A) Synthesize phospholipids on both faces of a membrane

(8) Move phospholipids from one face of a membrane to the other

)© Move proteins from one face of a membrane to another

10) Change the shape of phospholipids from one stable conformation to anather

Digestive enzymes are released by pancreas and bile is released by the liver in response to the
hormone :
(A) Gastrin (8) Zymogen (C) Cholecystokinin (D) Insulin

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