Ferns, whisk ferns, and horsetails are members of this phylum, which has about 13,000 described
living species.
a. Hepatophyta
b. Pterophyta
c. Bryophyta
d. Lycophyta
e. Anthocerophyta
B
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If a mutation occurs in a somatic cell that leads to a non-functional protein, what will happen to that somatic cell?
a. It will continue through the cell cycle as normal b. It will prevent the cell from finishing the S phase. c. It will enable the cell to fix the mutation. d. It will prevent the cell from completing the cell cycle.
Under favorable conditions, during which phase of meiosis will the chromosomes appear as packets of
four chromatids? a. anaphase I b. telophase II c. anaphase II d. prophase I e. metaphase II
Anhidrotic ectodermal dysplasia is the result of ____________________. Fill in the blank(s) with the appropriate word(s)
What is the main advantage of small cell size?
A) small cells don't require as many genes B) it takes less energy to construct an organism using small cells C) Small cells are less likely to burst in dilute environments D) large cells are more vulnerable to infection E) Small cells have more surface area-volume reatio across which to take up nutrients and get rid of waste products