Give typing answer with explanation and conclusion A contractile vacuole is an organelle that pumps excess water out of many freshwater protozoan cells. A freshwater protozoan was placed in solution A and observed to form contractile vacuoles at a rate of 11 per minute. The same protozoan was then placed in solution B and observed to form contractile vacuoles at a rate of 4 per minute. Based on this information, which of the following statements is correct? a. Solution A is hypertonic to solution B. b. Solutions A and B are isotonic. c. Solution B is hypertonic to solution A. d. Solutions A and B are isotonic to the protozoan cell. e. Both a and b.
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
Give typing answer with explanation and conclusion
A contractile vacuole is an organelle that pumps excess water out of many freshwater protozoan cells. A freshwater protozoan was placed in solution A and observed to form contractile vacuoles at a rate of 11 per minute. The same protozoan was then placed in solution B and observed to form contractile vacuoles at a rate of 4 per minute. Based on this information, which of the following statements is correct? a. Solution A is hypertonic to solution B. b. Solutions A and B are isotonic. c. Solution B is hypertonic to solution A. d. Solutions A and B are isotonic to the protozoan cell. e. Both a and b.
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