[单选题]
The image below shows red blood cell
:azksko; n2i0-ul )datbj )8vs placed in three different
t mz+,x+j.sk hsolutions as seen under the light microscope. Which type of solution were
,.sjmk+ xt +hz the cells shown in micrograph A most likely placed in?
A. A hypertonic solution
B. A hypotonic solution
C. An isotonic solution
D. Distilled water
参考答案:
A
本题详细解析:
Red blood cells placed in a hypertonic solution shrivel or become crenated, as shown in micrograph A. Plant cells undergo plasmolysis.
Red blood cells placed in a hypotonic solution (Choice B) or distilled water (Choice D) would swell and eventually burst, as shown in micrograph C. Cells placed in an isotonic solution (Choice C) would show no change in appearance, as shown in micrograph B.
