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Prokaryotic Cell

Select the op...

Question

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

A

b and d only

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B

b, c and d only

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C

d, b, a and c

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D

a only

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Solution

The correct option is A b and d only
A plasmid is extracellular small circular ds DNA (not linear). it is present naturally in all bacteria. The genes carried in plasmids doesn't contain essential genes instead provide bacteria with genetic advantages, such as antibiotic resistance.
So, the correct option is option A.

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