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WorksheetsMOLECULAR BASIS OF INHERITANCE - Quiz 7
Total questions: 13
Worksheet time: 5mins
Which of the following types of bacteria were used in Griffith’s transformation experiment?
Diplococcus, R-III and S-II type
Pneumococcus, T2 phage
Streptococcus, R-II and S-III type
Diplococcus, E. coli
The biochemical nature of transforming principle was defined by
Griffith
Avery, Macleod, McCarty
Watson and Crick
Taylor
In Hershey and Chase experiment, the protein of T2 phage was made radioactive by using
S32
P31
S35
P32
Choose the correct option w.r.t. RNA.
Presence of thymine in place of uracil
Absence of free 2’ OH in sugar
Mutates at faster rate
Is non-catalytic
Semiconservative DNA replication was proved by Messelson and Stahl, in which DNA was made
Radioactive using N15
Heavy using 14NH4Cl
Heavy using 15NH4Cl
Radioactive using 14NH4Cl
During DNA replication which of the following does not act as substrates?
dATP
dCTP
dUTP
dGTP
RNA primer is removed by
DNA-P-I
DNAP-II
DNAP-III
Primase
Which of the following acts as substrate as well as provide energy for DNA polymerisation?
Ribonucleoside
Deoxyribonucleoside
Ribonucleotide
Deoxyribonucleoside triphosphate
DNA replication is
Semi-conservative, continuous, unidirectional
Conservative, continuous
Semi-conservative, semi-discontinuous
Semi-continuous, conservative
Which of the following is a genetic RNA?
mRNA
rRNA
hn-RNA
RNA present in plant viruses
Recognition sequence for transcription in prokaryotes is
TATATAT
TATAAT
TATAAAT
CAAT
Transcription starts non-specifically in the absence of
Sigma factor
Rho factor
Core enzyme
DNA polymerase
Transcription occurs along a ____ template forming an mRNA in the ____ direction
5' to 3'; 5' to 3'
5' to 3'; 3' to 5'
3' to 5'; 5' to 3'
3' to 5'; 3' to 5'
