The table shows the distribution of the number of bristles in a Drosophila population indicating how many individuals in the population have those particular number of bristles. Calculate the variance for the number of bristles in the entire population.
a. 0.07
b. 0.71
c. 0.91
d. 1.11
e. 1.31
Answer: d. 1.11
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Which of the following is TRUE of cork?
A. It represents the major dermal tissue in bark. B. It helps transport nutrients and fluid. C. It serves a protective function D. It both represents the major dermal tissue in bark and helps transport nutrients and fluid. E. It both represents the major dermal tissue in bark and serves a protective function.
Darwin's voyage took place between ____
a. 1730 and 1735 b. 1831 and 1836 c. 1853 and 1858 d. 1878 and 1885 e. 1930 and 1938
______ detach from the vessel and endothelial cells are activated and lose their close contact as the vessel dilates
a. Cadherins b. Pericytes c. Cells d. MMPs
Lactose intolerance is due to the body's inability to produce _________.
a. sugar b. lactase c. acid d. lipids