Bacteriophages 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 is derived from the host but it contains embedded proteins coded by the viral nucleic acid the envelope and its imbedded proteins are derived from the host's membranes 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 is derived from the host but it contains embedded proteins coded by the viral nucleic acid the envelope and its imbedded proteins are derived from the host's membranes ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase. RNA polymerase RNA transcriptase RNA replicase RNA ligase RNA polymerase RNA transcriptase RNA replicase RNA ligase ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages A bacterial defense mechanism against bacteriophage is called lysogeny concatamerization restriction polymerization lysogeny concatamerization restriction polymerization ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages Contractile sheath of the tail is present in which of the following phages? T2 T3 All of these P22 T2 T3 All of these P22 ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages Which of the following properties is due to lysogenic conversion by phages? Antigenic variation in Salmonella anatum Toxin production in Clostridium botulinum types C and D Toxin production in Corynebacterium diphtheriae All of these Antigenic variation in Salmonella anatum Toxin production in Clostridium botulinum types C and D Toxin production in Corynebacterium diphtheriae All of these ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages __________ protein keeps the prophage dormant and prevents virus reproduction. Promotor Enhancer Repressor Operator Promotor Enhancer Repressor Operator ANSWER DOWNLOAD EXAMIANS APP