QUESTIONS for Secrets of Slime
Apr 3, 2015 — 7:00 am EST
gbohne/ Flickr (CC BY-SA 2.0)
- Why does your nose run when you have a cold or the flu?
- Describe the trail a snail can leave behind.
- What does mucus protect us against?
- What are mucins?
- Why is mucus so gooey and sticky?
- Where is mucus produced in the body?
- Explain the job of cilia.
- How are the viruses and bacteria that get trapped in mucus eventually destroyed?
- Describe the effect of cystic fibrosis on the body’s mucus.
- Why does John Orrock think the black mustard plant defends itself against snails?
- How does the hagfish use slime to defend itself?
- Why are scientists interested in hagfish slime?
- Explain how gold nanoparticles can be used to test the runniness of the mucus produced by patients with cystic fibrosis.
- Describe in detail some of the characteristics of mucus. Now explain how those characteristics serve the hagfish in defending itself from predators.
- The strong, silk-like fibers in hagfish slime are made in cells just 100 millionths to 125 millionths of a meter long. Write each measure as a decimal as part of: a) meter, b) centimeter and c) millimeter.