Podcast
Questions and Answers
What is the first step of the lytic cycle?
What is the first step of the lytic cycle?
- Penetration
- Attachment (correct)
- Release
- Biosynthesis
What occurs during the penetration step of the lytic cycle?
What occurs during the penetration step of the lytic cycle?
Phage penetrates host cell and injects its DNA.
What is directed during the biosynthesis step of the lytic cycle?
What is directed during the biosynthesis step of the lytic cycle?
Phage DNA directs synthesis of viral components by the host cell.
What happens during the maturation step of the lytic cycle?
What happens during the maturation step of the lytic cycle?
What occurs in the release step of the lytic cycle?
What occurs in the release step of the lytic cycle?
Study Notes
Lytic Cycle Steps
- Attachment: The process begins with the phage (virus) attaching itself to the surface of the host cell, a critical step for successful infection.
- Penetration: Following attachment, the phage penetrates the host cell's membrane and injects its DNA into the cytoplasm, allowing for viral takeover.
- Biosynthesis: The phage DNA commandeers the host cell's machinery, directing it to synthesize various viral components necessary for the formation of new virions.
- Maturation: During this stage, the assembled viral components are packaged into complete, infectious viruses known as virions.
- Release: The final step occurs when the host cell undergoes lysis (bursting), resulting in the release of newly formed virions into the environment, ready to infect additional host cells.
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Description
Test your knowledge on the steps of the lytic cycle in viral replication. This quiz covers attachment, penetration, biosynthesis, maturation, and release, essential processes for understanding how viruses infect host cells. Challenge yourself and see how much you know about these key stages!
