Mathematics, 25.10.2021 19:40 rodres17
7. A student used a microscope to observe a wet-mount slide of red onion epidermal cells that were
suspended in a 1% NaCl solution. The student then added a 15% NaCl solution to the slide and
observed the changes that occurred. The student's observations are represented in Figure 1.
Original
After Adding
Wet-Mount Slide
15% Nad
Figure 1. Student's observations of onion cdis
Which of the following most directly explains the changes in the cells?
a. The degradation of DNA in the nuclei of the cells
b. The lysis of chloroplasts in the cells
c. The movement of water from the central vacuoles of the cells into the solution
d. The movement of NaCl from the solution into the cytoplasm of the cells
D
E
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7. A student used a microscope to observe a wet-mount slide of red onion epidermal cells that were...
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