801.
Function of centrosome is A
Initiation of cel division
B
Inhibition of cell division
C
Termination of cell division
D
Cytokinesis
Answer :
Initiation of cel division
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802.
On which concentration of Mg+2 ions dimer ribosome is formed A
0. 0001 M
B
0. 001 M
C
0. 01 M
D
0. 10 M
Answer :
0. 01 M
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803.
Who proposed the chromosomal theory A
Bateson and punnet
B
Menndel
C
Morgan
D
Sutton and Boveri
Answer :
Sutton and Boveri
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804.
Which one of the following makes use of RNA as a template to synthesize DNA - AIPMT 2005 A
DNA dependant DNA polymerase
B
DNA polymerase
C
Reverse transcriptase
D
RNA polymerase
Answer :
Reverse transcriptase
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805.
Butter Sandwich model of plasma membrane was proposed by A
Davson and Daniellli
B
Robertson
C
Singer and Nicolson
D
Benson
Answer :
Davson and Daniellli
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806.
Growth of cell wall during cell elongation takes place by A
Appositon
B
Intussusception
C
A and B both
D
Super position
Answer :
Intussusception
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807.
In which one of the following would you expect to fond glyoxysomes A
Endosperm of wheat
B
Endosperm of castorr
C
Palisade cells in leaf
D
Rooot tairs
Answer :
Endosperm of castorr
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808.
A DNA molecule in which both strands have radioactive thymidine is allowed to duplicate in an environment containing non-radioactive thymidine. What will be the exact number of DNA molecules that contains the radio active thymidine after 3 duplications A
One
B
Two
C
Four
D
Eight
Answer :
Two
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809.
Transcription means synthesis of A
DNA
B
Protein
C
M-RNA
D
Enzyme
Answer :
M-RNA
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810.
Which may be attached with Adenine base in RNA A
Guanine
B
Cytosine
C
Uracil
D
Thymine
Answer :
Uracil
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