The Contents of Cells Are Often Visualized with Fluorescent (Glow-In-The-Dark)stains

question 35

Multiple Choice

The contents of cells are often visualized with fluorescent (glow-in-the-dark) stains.You treat a cell with a stain that makes a certain part of the cytoskeleton glow green and another stain that makes mitochondria glow red.Under the microscope,you see a meshwork of green filaments throughout the cell.Red organelles appear to be traveling along the filaments.The green stain you used must stain

• A) microtubules.
• B) microfilaments.
• C) intermediate filaments.
• D) motor proteins.

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