Scelta multipla
Budding is the release of which type of viruses?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
Scelta multipla
Which of the following phage types cause productive infections that do not kill the host cell?
A
Retroviruses
B
Lytic phages
C
Filamentous phages
D
Temperate phages
Guida verificata passo dopo passo1
Step 1: Understand the types of phage infections. Productive infections are those where new phage particles are produced inside the host cell.
Step 2: Recall that lytic phages cause productive infections that result in host cell lysis (death), so they do not fit the criteria of productive infection without killing the host.
Step 3: Temperate phages can integrate into the host genome and enter a lysogenic cycle, where they do not produce new phages immediately and do not kill the host cell during lysogeny; however, when they enter the lytic cycle, they do cause host cell death.
Step 4: Retroviruses are not phages; they infect eukaryotic cells and integrate into the host genome, but this is outside the scope of phage biology.
Step 5: Filamentous phages cause productive infections by continuously releasing new phage particles without lysing (killing) the host cell, allowing the host to survive and continue producing phages.
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