Which of the Following Statements Describes the Lysogenic Cycle of Lambda

question 20

Multiple Choice

Which of the following statements describes the lysogenic cycle of lambda (λ) phage?

• A) After infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.
• B) Most of the prophage genes are activated by the product of a particular prophage gene.
• C) The phage genome replicates along with the host genome.
• D) Certain environmental triggers can cause the phage to exit the host genome, switching from the lytic to the lysogenic.
• E) The phage DNA is incorporated by crossing over into any nonspecific site on the host cell's DNA.

Analyze the issues related to industrialization and urbanization, including labor rights and immigration.

Distinguish between various political and social ideologies and their influence on American society during the Progressive era.

Recognize the importance of social and political reforms in shaping modern American society.

Understand the role of government intervention in economic and social affairs during the Progressive era.

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Definitions:

Nucleic Acid

Organic molecules that serve as the blueprint for proteins and, through the actions of proteins, the entire phenotype of a living organism; includes DNA and RNA.

Hydrolysis

A chemical reaction in which water is used to break down the bonds of a particular substance, commonly involving the disassembly of polymers into monomers.

Nucleotides

The building blocks of DNA and RNA, consisting of a nitrogenous base, a sugar (ribose in RNA, deoxyribose in DNA), and one to three phosphate groups.

Pyrimidines

Nitrogenous bases, each composed of a single ring of carbon and nitrogen atoms (e.g., thymine, cytosine, and uracil); components of nucleic acids. Compare with purines.