Biotechnology: ...

Which organelle is wrongly paired?

Insertional inactivation helps in:

Having two antibiotic resistant genes in the same plasmid:

DNA can be isolated from fungi using chitinase as _______.

The component which is not required in PCR is _______.

Which of the following steps are catalysed by Taq DNA polymerase in a PCR reaction?

In agarose gel electrophoresis, DNA molecules are separated on the basis of their:

Which one is called molecular scissors?

Denaturation is done at high temperature as it leads to:

Steps involved in genetic engineering are:

1. Maintenance of introduced DNA in the host.
2. Transfer of DNA in its progeny.
3. Identifying DNA with desirable genes.
4. Introduction of identified DNA into the host.

Origin of replication is the specific DNA sequence on chromosome that which is responsible for:

The group of letters that form same words when read both forward and backward are called?

Enzymes used to join foreign DNA to plasmid are _________.

Which of the given statements is correct in the context of visualizing DNA molecules separated by agarose gel electrophoresis?

‘R’ in EcoRI restriction endonuclease denotes:

Assertion: The separated DNA fragments can be visualized only after staining the DNA with a compound known as ethidium bromide followed by exposure to UV radiation.
Reason: We can see bright red coloured bands of DNA in an ethidium bromide-stained gel exposed to UV light.

During agarose gel, electrophoresis DNA fragments move towards the anode. This is because _________.

Rop genes in pBR322 codes for _________.

The particles used to coat with DNA in Biolistic gun is of:

Production of large scale recombinant products can be done in _________.

Sparged stirred tank bioreactor is advantageous over the simply stirred tank bioreactor as _________.

The X-gal will be converted into a coloured product when:

Blades in a bioreactor help in?

The restriction sites of the nucleoid are methylated because:

A ladder is used in Gel electrophoresis as it helps in _________.