Bacterial recombination causes transformation of the recipient cell to _______________

Transfer of genes between cells that are in physical contact with one another is known as transformation.

Which of the enzymes are used to cut the recipient DNA?

The transfer of naked DNA from one cell to another is referred to as _______________

The cell in which the F factor carries along with it some chromosomal genes are known as ____________

The first demonstration of recombination in bacteria was achieved by _______________

In conjugation only small fragments of the bacterial chromosome are transferred.

What is the shape of DNA in the male cells of E.coli?

The F factor DNA is sufficient to specify how many genes?

Bacteriophages inject their nucleic acid into the bacterium.

When the phage transduces only those bacterial genes adjacent to the prophage in the bacterial chromosome then it is known as?

Which of the following things was identified as the transforming principle?

What should be the minimum weight of DNA that is required for a successful transformation?

How many DNA molecules are transferred after each transformation?

Which of the following enzymes acts on the DNA after its entry into the cell?

In which phase of growth does the recipient cell take up the donor DNA?

The DNA uptake process does not require any energy.

Animals that are contaminated with germs are said to be gnotobiotic.

How many day-old embryonated eggs were used by Reyniers to rear first germ-free animals?

Which among the following was the first germ-free animal to be reared?

Which of the following vitamins are not required by normal animals?