Recombinant DNA
What is the normal role of restriction endonucleases in bacterial cells?

To degrade the bacterial chromosome into small pieces during replication
To produce RNA primers for replication
To degrade invading phage DNA
All of these

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA
Vectors are

molecules that are able to covalently bond to and carry foreign DNA into cells
molecules that degrade nucleic acids
molecules that help in replication
molecules that protect host cells from invasion by foreign DNA

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA
Agrobacterium tumefaciens is

a disease in humans that causes loss of sight
a bacterium that can be used to introduce DNA into plants
a fungi that is used to produce antibiotics in large amounts
a disease in humans that causes loss of weight

ANSWER DOWNLOAD EXAMIANS APP