A Bacterium Is Unable to Transport Lactose into the Cell

question 1

Multiple Choice

A bacterium is unable to transport lactose into the cell to be broken down. Which gene is likely mutated in this bacterium?

• A) lacI
• B) lacP
• C) lacO
• D) lacY
• E) lacZ

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Definitions:

Basin-shaped Depression

A rounded or oval valley or hollow in the Earth's surface, typically formed by erosion or the collapse of a volcanic crater.

Calderas

Large, basin-like depressions formed by the collapse of a volcano after a massive eruption, usually holding a lake.

Fissure Eruptions

Fissure eruptions are volcanic eruptions that occur through long, linear cracks in the Earth's surface, releasing lava and gases over a wide area.

Pyroclastic Eruptions

Volcanic eruptions characterized by the expulsion of hot gases, ash, and volcanic rocks at high speeds.