1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The one aspect which is not a salient feature of genetic code, is its being –
A
Specific
B
Degenerate
C
Ambiguous
D
Universal
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the two correct statements out of the four (a-d) statements given below about lac operon.
(a) Glucose or galactose may bind with the repressor and inactivate it
(b) In the absence of lactose the repressor binds with the operator region
(c) The z-gene codes for permease
(d) This was elucidated by Francois Jacob and Jacque Monod
The correct statements are :
A
(b) and (d)
B
(a) and (b)
C
(b) and (c)
D
(a) and (c)
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Semi-conservative replication of DNA was first demonstrated in :
A
Drosophila melanogaster
B
Streptococcus pneumoniae
C
Salmonella typhimurium
D
Escherichia coli
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a "triplet" ?
A
Nirenberg and Mathaei
B
Morgan and Sturtevant
C
Hershey and Chase
D
Beadle and Tatum
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12