Bacteriophage For Life

Viruses are obligate ______ parasite

• intracellular

• extracellular

• environmental

• end-cellular

Adsorption to host cell surface by bacteriophages is

• random

• specific

• irreversible

• reversible

Period where there is no new bacteriophage is formed is called the ______ period.

When DNA that remains in cytoplasm is not replicated and is only inherited by one daughter cell.

• Complete transduction

• Incomplete transduction

• Abortive transduction

• Aborted transduction

What limits the amount of DNA that can be packaged into a phage head?

• Size of phage DNA

• Size of tail fibre

• Size of phage head

• Size of host DNA

Phage progeny that carries host DNA is called

The "d" in λdgal stands for

• dangerous

• decay

• damage

• defective

λdgal requires assistance in infecting new host cell from _____ phage.

In specialised transduction, what will be produced after a double infection?

• Merolysogen

• Dilysogen

• Lysogen

• Trilysogen

Transduction allows for determining the gene arrangement in the bacterial genome by ________.