A red blood cell placed in a hypertonic medium will
What will be an ideal response?
shrink
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An artery is indicated by
a. A. b. B. c. C. d. D. e. E.
Look at the accompanying figure. In Step 1 ________ ions enter the neuron, while in Step 2 ________ ions leave the neuron
Fill in the blank(s) with correct word
Dividing adult eukaryotic cells spend most of their time in which of the following?
A) metaphase B) prophase C) telophase D) interphase E) anaphase
Water is most dense and thus heaviest at 4°C. At 0°C, ice forms and can float on liquid water. Suppose ice were most dense at 0°C. What would happen in a lake at this temperature?
A. Ice would not form because solids are always less dense than liquids. B. The ice would cover the bottom of the aquatic system and would build up in layers over time. C. The cold temperatures and the subsequent ice formation would prevent hydrogen bonds from forming between the water molecules, thus causing the existing ice crystals to become disassociated from each other. D. The ice would cover the surface of the aquatic system and would never melt.