Your Instructor Wants You to Bring in an Example of a Biofilm

question 67

Multiple Choice

Your instructor wants you to bring in an example of a biofilm to your lab. Which choice is the best selection for bringing in an intact biofilm for further study?

• A) Disconnecting and bringing in the old, mildewed showerhead from your bathroom.
• B) Scraping the mold off the shower curtain in your bathroom into a paper cup using a butter knife.
• C) Using a toothpick to scrape plaque off of your teeth and smearing it onto a slide to bring in to lab.
• D) Wiping a sponge across a slimy boulder in a stream in a nearby park and bringing it in to lab.
• E) Wiping a sponge across your dog's teeth, smearing it onto a glass slide and bringing it in to lab.

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Definitions:

Calcium Storage

The retention of calcium ions within certain tissues or organelles, important for various physiological processes including muscle contraction.

Connective Tissue

A type of body tissue that supports, connects, or separates different organs and tissues, composed of cells embedded in an extracellular matrix.

Bone

A rigid organ that forms part of the vertebrate skeleton, providing structural support to the body, protecting organs, anchoring muscles, and storing calcium.

Hyaline Cartilage

A type of connective tissue found in various parts of the body such as the nose, trachea, and larynx, characterized by its glossy, translucent appearance.