In the lab, you use a special balloon that is permeable to water but not sucrose to make an "artificial cell." The balloon is filled with a solution of 20% sucrose and 80% water and is immersed in a beaker containing a solution of 40% sucrose and 60%
water. The solution in the balloon is ________ relative to the solution in the beaker.
A) isotonic
B) hypotonic
C) hypertonic
Answer: B
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What is peristalsis?
A. A process of fat emulsification in the small intestine. B. Voluntary control of the rectal sphincters regulating defecation. C. The transport of nutrients to the liver through the hepatic portal vein. D. Loss of appetite, fatigue, dehydration, and nervous disorders. E. Smooth muscle contractions that move food through the alimentary canal.
Sessile organisms overcome problems relating to sexual reproduction by
A. reproducing asexually. B. releasing sperm into the water that surrounds them. C. having internal fertilization. D. producing larvae.
haploid
What will be an ideal response?
Jim adds an acid to a solution, but finds the pH has not changed afterward. This suggests the solution contains a(n) (anion/buffer/salt).
Fill in the blank(s) with the appropriate word(s).