18 - DNB biochemistry june 2008 mcqs

1)HGPRT – Hypoxanthene & guanine
2)Allosteric type – bind site other than that of substrate
3)Telomerase - RNA dependant DNA polymerase
4)Degeneracy of Genetic Code – for 1 a.a. there may be more than 1 codon
5)Hormone responsive element – DNA sequence where hormone -binding protein complex binds
6)Not a w3 fatty acid – Linolic acid
7)B12 is absorbed in – Ileum
8)Protein in cell membrane can function as – Active transport/Carrier/??/ All
9)Iron present in all except – Ceruloplasmin
10)Fastest peak on electrophoresis – Adult hb/fetal hb/Bart's hb/??
11)Vit D 1,25, OH no role of - Intestine

15 - DNB CET june 2008 questions with answers

1. programmed cell death is called ?

answer : apoptosis . ( easiest question among all the 360 questions in two papers . i think )

2. stable cells are ?

a. liver cells b.gut epithelium c. d.

answer : a . ( if u remember other options post in comments )

3.christmas tree stain is used for ?

answer: identification of semen in a forensic sample.

4. telomerase is ?

a. DNA dependent DNA polymerase
b. DNA dependent RNA polymerase
C. RNA dependent RNA polymerase
d. RNA dependent DNA polymerase

answer : RNA dependent DNA polymerase is the answer . it is a reverse transcriptase .

5. HGPRT is used for the salvage of which of these ?

a. hypoxanthine and xanthine
b. hypoxanthine and guanine
c.xanthine and adenine
d. xanthine and guanine

answer : b .