1. Which of the following cell types has the lowest density of mitochondria in the cell? And explain why like that.
a. liver cell
b. nerve cell
c. muscle cell
d. red blood cell
HKCEE Human Biology 2004 II Q29
2. Why is a cover slip put over the cells for observation with a microscope? Give 3 reasons for the step.
F.3 Biology Question
2008-11-03 4:16 am
回答 (1)
2008-11-12 4:48 am
✔ 最佳答案
1. D, because containing too many mitochondria will lower the oxygen-carrying capacity of red blood cell2. to prevent the objective of the microscope from being contaminated
to flatten the object being observed
to fix the position of the object being observed
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