Bacteriophages __________ protein keeps the prophage dormant and prevents virus reproduction. Enhancer Operator Repressor Promotor Enhancer Operator Repressor Promotor ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages Which capsid symmetry is exhibited by most of the phages? Icosahedral None of these Helical Complex Icosahedral None of these Helical Complex ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase. RNA replicase RNA ligase RNA polymerase RNA transcriptase RNA replicase RNA ligase RNA polymerase RNA transcriptase 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 All of these Toxin production in Corynebacterium diphtheriae Antigenic variation in Salmonella anatum Toxin production in Clostridium botulinum types C and D All of these Toxin production in Corynebacterium diphtheriae ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages Contractile sheath of the tail is present in which of the following phages? P22 T3 All of these T2 P22 T3 All of these T2 ANSWER DOWNLOAD EXAMIANS APP
Bacteriophages Which of the following bacteria can be typed by phage typing method? Salmonella typhi All of these Vibrio cholerae Staphylococcus aureus Salmonella typhi All of these Vibrio cholerae Staphylococcus aureus ANSWER DOWNLOAD EXAMIANS APP