Table of contents

1. Introduction to Microbiology3h 22m
2. Disproving Spontaneous Generation1h 18m
3. Chemical Principles of Microbiology3h 38m
4. Water1h 28m
5. Molecules of Microbiology2h 23m
6. Cell Membrane & Transport3h 28m
7. Prokaryotic Cell Structures & Functions5h 52m
8. Eukaryotic Cell Structures & Functions2h 18m
9. Microscopes2h 46m
10. Dynamics of Microbial Growth4h 36m
11. Controlling Microbial Growth4h 10m
12. Microbial Metabolism5h 16m
13. Photosynthesis2h 31m
14. DNA Replication2h 25m
15. Central Dogma & Gene Regulation7h 14m
16. Microbial Genetics4h 44m
17. Biotechnology3h 0m
18. Viruses, Viroids, & Prions4h 56m
19. Innate Immunity7h 15m
20. Adaptive Immunity7h 14m
21. Principles of Disease6h 57m

18. Viruses, Viroids, & Prions

Bacteriophage: Lytic Phage Infections

Microbiology

18. Viruses, Viroids, & Prions

Bacteriophage: Lytic Phage Infections

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Multiple Choice

Which is NOT a step in a lytic phage reproductive cycle?

Packaging of the phage's cytoplasm.

Recognition and attachment to the host cell.

Phage gene expression.

Assembly of new phages.

Entry of the phage genome.

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Verified step by step guidance

Understand the lytic cycle: The lytic cycle is a process by which a bacteriophage infects a bacterial cell, replicates its genetic material, and ultimately causes the lysis (destruction) of the host cell to release new phage particles.

Identify the key steps in the lytic cycle: The main steps include attachment, entry of the phage genome, synthesis of phage components, assembly of new phages, and release of phages through lysis of the host cell.

Examine each option: Review each provided option to determine if it is a part of the lytic cycle. Consider the biological processes involved in each step.

Recognize the incorrect step: Identify which option does not fit into the typical sequence of events in the lytic cycle. Consider whether 'packaging of the phage's cytoplasm' is a logical step in the context of phage replication.

Conclude with the correct identification: Conclude by confirming that 'packaging of the phage's cytoplasm' is not a recognized step in the lytic cycle, as phages do not package cytoplasm during their replication process.