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Nucleolus

Plasmid conta...

Question

Plasmid contains _______
i ) ds circular DNA
ii ) ss circular DNA
iii) ds linear DNA
iv) ss linear DNA

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Solution

it is extra chromosomal ds circular DNA

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Similar questions

Q. Find the correct matches

	List I		List II
a	$M_{13}$ bacteriophage	i	$d s$ $R N A$
b	Rice Dwarf Virus	ii	$s s$ $R N A$
c	Cauliflower Mosaic Virus	iii	$s s$ $D N A$
d	Polio Virus	iv	$d s$ $D N A$

Q. Match the column-I with column-ll and choose the correct option.

List-1	List-2
A. $ϕ$ $\times$ 174 bacteriophage	1. ds DNA
B. Mycophage	2. ds RNA
C. Pox virus	3. ss RNA
D. Polio virus	4. ss DNA

Q. Select the option that excludes characteristics applicable to plasmids
(a) Circular DNA
(b) Linear DNA
(c) Present in all bacteria
(d) Contain essential genes\
(e) Extra chromosomal self-replicating

Q. From the below list, which of the following is the most logical sequence of steps for splicing foreign DNA into a plasmid and inserting the plasmid into a bacterium?
(i) Transformbacteria with recombinant DNA molecule.
(ii) Cut the plasmid DNA using restriction enzymes.
(iii) Extract plasmid DNA from bacterial cells.
(iv) Hydrogen-bond the plasmid DNA to nonplasmid DNA fragments.
(v) Use ligase to seal plasmid DNA to nonplasmid DNA.

Q. How many linear DNA fragments will be produced when a circular plasmid is digested with a restriction enzyme having 3 sites?

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