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+--- Thread: Molecuar biology...16,17,18,19,20 Qs - maryam2009 (/showthread.php?tid=643110)
Molecuar biology...16,17,18,19,20 Qs - maryam2009 - ArchivalUser - 12-27-2011
High yield Qs
16.A homeo box is a
A. sequence of DNA that codes for a zinc-finger protein
B. sequence of RNA that binds to other RNAs
C. sequence of DNA that codes for the helix-turn-helix domain of a protein
D. a protein that binds GTP
17.The mutant allele of a tumor suppressors gene is
A.inherited through the maternal line
B.recessive to the normal allele
C.dominat to the normal allele
D.inherited through the paternal line
18. Which of the following would not be a function of an oncogene?
A. code for a tyrosine kinase
B. code for a DNA-binding protein
C. code for a GTP-binding protein
D. code for a gap protein
19.Once an exogenous piece of DNA is in the bacterial cell, it is incorporated into the bacterial genome through
A. gene conversion
B. crossing-over
C. translocations
D. mutations
20.The process by which a bacterial cell picks up exogenous pieces of DNA directly from the media and incorporates it into its genome is called
A. conjugation
B. transformation
C. transduction
D. translocation
0 - ArchivalUser - 12-27-2011
16-C
17-B
18-D
19-B
20-B
nice Q
thanks
0 - ArchivalUser - 12-27-2011
Sarim, can you explain 19 please
0 - ArchivalUser - 12-27-2011
19- is the process of "Transformation"
-once the "DNA fragment" is picked up, it get incorporated into the host cell genome via
"Homologous Recombination" which is done by Crossing-Over.
0 - ArchivalUser - 12-27-2011
The correct answers are :
16-C
17-B
18-D
19-B
20-B
Thank you Sarim
0 - ArchivalUser - 12-28-2011
Thank you Sarim