Today, Friday, is all about finishing what we started:
First, the Eggs-spiriment, all about eggsmosis: see Monday's post. finish up and write down in your lab notebook briefly what you discovered and observed. Answer any questions that were asked. Perhaps take a photo to document your work.
Second, do the math and graphing for the experiment we did yesterday with the dialysis tubing. (the second one with the 4 bags.) Read the questions and answer what you can. [btw, I figured out what I did wrong in the first experiment-- I used sucrose instead of glucose. The test strip was for glucose. Also, sucrose is a larger molecule than glucose, so it could not diffuse through the membrane. Live and learn. :p]
Third, read the last section, chapter 7.4 , I think you can skip the study guide questions this time, but do look at the pictures and be observant.
Review the flash cards you made for the organelles, or find a quizlet
http://quizlet.com/57013/cell-organelles-flash-cards/
Use coloring pages to review and ID the organelles.
My eggs' shells didn't go away, they just softened and expanded with the insides. Or perhaps they dissolved and what's left is just the outer skin. What happened?
ReplyDeleteI had to rub them off mine, but one was still hard for some reason and while trying to scrape away at it it popped, oops. Luckily over a sink though, but a bummer nonetheless.
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