A Pure Culture in Exponential Growth Phase Has a Bacterial

question 33

Multiple Choice

A pure culture in exponential growth phase has a bacterial concentration of 6.4 × 10⁸ cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell concentration 8.0 × 10⁷ cells/ml?

• A) 1 h
• B) 2 h
• C) 3 h
• D) 4 h
• E) 24 h

---

Definitions:

Madagascar

An island country located in the Indian Ocean, off the southeastern coast of Africa, known for its unique biodiversity.

Musical Processions

A ceremonial procession involving a sequence of musical performances, often part of religious or cultural festivities.

Embalming

A process that temporarily preserves a deceased person by means of displacing body fluids with preserving chemicals.

Colonial America

Refers to the period of American history from the late 16th century to the American Revolution, characterized by European colonization of the Americas.