ENERGY RELEASE AND CONSERVATION QUIZ

__________ protein keeps the prophage dormant and prevents virus reproduction.

Repressor

Operator

Enhancer

Promotor

TRUE ANSWER : ?
YOUR ANSWER : ?

The procapsid is assembled with the aid of __________ proteins.

scaffolding

form

ladder

framing

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is specifically able to have a long-term relationship with the host known as lysogeny.

Temperate virus

DNA phage

RNA phage

Adsorbed virus

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria can be typed by phage typing method?

All of these

Salmonella typhi

Vibrio cholerae

Staphylococcus aureus

TRUE ANSWER : ?
YOUR ANSWER : ?

The filamentous bacteriopohage infect male E. coli cells by attaching to

lipopolysaccharide

the cell wall

the tip of the pilus

the cell membrane

TRUE ANSWER : ?
YOUR ANSWER : ?

T-even phage binding to E. coli probably involves

hydrophobic interaction

covalent bonds

all of these

electrostatic interaction

TRUE ANSWER : ?
YOUR ANSWER : ?

Contractile sheath of the tail is present in which of the following phages?

All of these

P22

T3

T2

TRUE ANSWER : ?
YOUR ANSWER : ?

Which capsid symmetry is exhibited by most of the phages?

None of these

Complex

Helical

Icosahedral

TRUE ANSWER : ?
YOUR ANSWER : ?

In viruses with envelopes

the envelope and its imbedded proteins are derived from the host's membranes

the envelope is derived from the host but it contains embedded proteins coded by the viral nucleic acid

the envelope is coded by the viral nucleic acids, but the proteins come from the host's membrane proteins

the envelope and the embedded proteins are encoded by the viral nucleic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

A bacterial defense mechanism against bacteriophage is called

concatamerization

lysogeny

restriction

polymerization

TRUE ANSWER : ?
YOUR ANSWER : ?