Scientists Isolate Cells in Various Phases of the Cell Cycle

question 56

Multiple Choice

Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 times more DNA than G₁ phase cells. What is the most likely part of the cell cycle from which these cells were isolated?

• A) between the G₁ and S phases in the cell cycle
• B) in the G₂ phase of the cell cycle
• C) in the M phase of the cell cycle
• D) in the S phase of the cell cycle

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Definitions:

Inflammatory Response

Tissue response to injury that is characterized by redness, swelling, pain, and heat.

Inflammation

The body’s immune response to infection or injury, characterized by redness, heat, swelling, and pain.

Receptor Molecules

Molecules on the surface of or within cells that bind to specific substances and trigger a specific cellular response.

Plasma Cells

A type of white blood cell that produces antibodies in response to an infection, thus playing a crucial role in the immune response.