Contractile sheath of the tail is present in which of the following phages? T2 P22 All of these T3 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is/are synthesized from late mRNA? Proteins that help with phage assembly without becoming part of the virion structure Proteins involved in cell lysis and phage release All of these Phage structural proteins TRUE ANSWER : ? YOUR ANSWER : ?
In viruses with envelopes 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 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 TRUE ANSWER : ? YOUR ANSWER : ?
Area of lysis on a bacterial lawn culture produced by a phage is known as plaque pock all of these pox TRUE ANSWER : ? YOUR ANSWER : ?
A bacterial defense mechanism against bacteriophage is called restriction lysogeny concatamerization polymerization TRUE ANSWER : ? YOUR ANSWER : ?
T-even phage binding to E. coli probably involves electrostatic interaction covalent bonds hydrophobic interaction all of these TRUE ANSWER : ? YOUR ANSWER : ?
The filamentous bacteriopohage infect male E. coli cells by attaching to the cell membrane the cell wall lipopolysaccharide the tip of the pilus TRUE ANSWER : ? YOUR ANSWER : ?
One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase. RNA polymerase RNA transcriptase RNA replicase RNA ligase TRUE ANSWER : ? YOUR ANSWER : ?
__________ is specifically able to have a long-term relationship with the host known as lysogeny. DNA phage RNA phage Temperate virus Adsorbed virus TRUE ANSWER : ? YOUR ANSWER : ?
The process by which phage reproduction is initiated in lysogenized culture is called repression infection induction integration TRUE ANSWER : ? YOUR ANSWER : ?