Plasmids

Q.

Which is the first cloning vector?

Q. Which of the following are used in gene cloning?

1. Nucleoids
2. Lomasomes
3. Mesosomes
4. Plasmids

Q.

What is the term used for a DNA or RNA segment tagged with a radioactive molecule?

1. Probe

2. Vector

3. Clone

4. Plasmid

Q.

Plasmids present in bacterial cells are:

1. Circular double helix DNA molecule

2. Linear double helix DNA molecule

3. Circular double helix RNA molecule

4. Linear double helix RNA molecule

Q. Plasmids are ____

1. Extra chromosomal DNA which can self replicate
2. DNA carrying genetic sequence, without expressing it
3. integrated within host DNA without replication ability
4. none of these

Q. The genetic material of a bacterial cell is localised within a discrete region called as

1. Nucleolus
2. Nuclueus
3. Plasmid
4. Nucleoid