One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase. RNA replicase RNA polymerase RNA ligase RNA transcriptase TRUE ANSWER : ? YOUR ANSWER : ?
The process by which phage reproduction is initiated in lysogenized culture is called integration repression induction infection TRUE ANSWER : ? YOUR ANSWER : ?
Which capsid symmetry is exhibited by most of the phages? Helical Icosahedral None of these Complex TRUE ANSWER : ? YOUR ANSWER : ?
T-even phage binding to E. coli probably involves hydrophobic interaction all of these electrostatic interaction covalent bonds TRUE ANSWER : ? YOUR ANSWER : ?
A bacterial defense mechanism against bacteriophage is called restriction polymerization concatamerization lysogeny TRUE ANSWER : ? YOUR ANSWER : ?
The procapsid is assembled with the aid of __________ proteins. ladder scaffolding framing form TRUE ANSWER : ? YOUR ANSWER : ?
Area of lysis on a bacterial lawn culture produced by a phage is known as plaque all of these pock pox TRUE ANSWER : ? YOUR ANSWER : ?
The filamentous bacteriopohage infect male E. coli cells by attaching to lipopolysaccharide the tip of the pilus the cell membrane the cell wall TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is/are synthesized from late mRNA? Proteins involved in cell lysis and phage release All of these Phage structural proteins Proteins that help with phage assembly without becoming part of the virion structure TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following properties is due to lysogenic conversion by phages? Toxin production in Clostridium botulinum types C and D Toxin production in Corynebacterium diphtheriae All of these Antigenic variation in Salmonella anatum TRUE ANSWER : ? YOUR ANSWER : ?