Which of following statement is correct in context of observing DNA separated by agarose gel electro

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9.Biotechnology Principals and Process

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Which of the following statement is correct in the context of observing DNA separated by agarose gel electrophoresis?

$DNA$ can be seen in visible light

$DNA$ can be seen without staining in visible light

Ethidium bromide stained $DNA$ can be seen in visible light

Ethidium bromide stained $DNA$ can be seen under exposure to $UV$ light

Solution

The separated $DNA$ fragments can be seen only after staining the $DNA$ with a compound known as ethidium bromide (E + Br) followed by exposure to $UV$ radiation as bright orange coloured bands

Standard 12

Biology

Identify the part $A$ and $B$ from the given figure :

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What does ‘competent’ refer to in competent cells used in transformation experiments ?

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$DNA$ molecule is translocated to which charge ?

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An extrachromosomal $DNA$, which can be used as vector in gene cloning is called

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Assertion : Restriction enzymes cut the strand of $DNA$ to produce sticky ends.

Reason : Stickiness of the ends facilitates the action of the enzyme $DNA$ polymerase

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(AIIMS-2009)

Which of the following statement is correct in the context of observing DNA separated by agarose gel electrophoresis?

Solution

Similar Questions

Identify the part $A$ and $B$ from the given figure :

What does ‘competent’ refer to in competent cells used in transformation experiments ?

$DNA$ molecule is translocated to which charge ?

An extrachromosomal $DNA$, which can be used as vector in gene cloning is called

Assertion : Restriction enzymes cut the strand of $DNA$ to produce sticky ends. Reason : Stickiness of the ends facilitates the action of the enzyme $DNA$ polymerase

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Assertion : Restriction enzymes cut the strand of $DNA$ to produce sticky ends.

Reason : Stickiness of the ends facilitates the action of the enzyme $DNA$ polymerase