[单选题]
The image below shows red blood cells placed
in 7bb*;w1u0ttpm1)lebloz- i
n61hqrem 0uhm5 f3d wse+7jm-n three different solutions as seen under the light microscope. Which type of solution were the cells shown in micrograph
d6rq0+wuejh1h m3-nmm fs7e5 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.
