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Important Questions on Cell : The Unit of Life

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Which of the following components provides sticky character to the bacterial cell?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
What is the following is correct for the movement of DNA fragments on agarose gel during gel electrophoresis?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
109 bacteria were spread on an agar plate containing penicillin. After incubation overnight at 37oC 10 bacterial colonies were observed on the plate. That the colonies are likely to be resistant to penicillin can be tested by
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
A gene whose expression helps to identify transformed cell is known as
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The construction of the first recombinant DNA emerged from the possibility of linking a gene encoding antibiotic resistance with a native plasmid of
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Eco RI and Rsa I restriction endonucleases require 6bp and 4bp sequences respectively for cleavage. In a 10 kb DNA fragment how many probable cleavage sites are present for these enzymes
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The DNA fragments separated on an agarose gel can be visualised after staining with:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
DNA's precipitation out of a mixture of biomolecules can be achieved by treatment with:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The cutting of DNA at a specific location became possible with the discovery of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Which one of the following represents a palindromic sequence in DNA?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Which of the following is a restriction endonuclease?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell

Following statements describe the characteristics of restriction endonucleases. Identify the incorrect statement.

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The structures that help some bacteria to attach to rocks and/or host tissue are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Commonly used vectors for human genome sequencing are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Identify the palindromic sequence.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Which vector can clone only a small fragment of DNA?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
Restriction enzyme work by cleaving
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The introduction of T-DNA into plants involves :
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Prokaryotic Cell
The motile bacteria are able to move by: