Processed pseudogenes are useful for testing Darwin's theory of descent with modification because they ________
A) can be utilized for examining phylogenetic relationships among asexually reproducing organisms
B) demonstrate phylogenetic relationships of divergence because they do not accumulate mutations
C) accumulate mutations at a constant rate, and thus older processed pseudogenes should be shared by a greater variety of species
D) are distributed in organisms that are found in similar environments
C
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Which of the following is TRUE when comparing solutions with a pH of 6 and a pH of 8?
A. The solution with a pH of 8 has a 100 times higher concentration of hydrogen ions than a solution with a pH of 6. B. The solution with a pH of 8 has a 2 times higher concentration of hydrogen ions than a solution with a pH of 6. C. The solution with a pH of 8 has a 100 times lower concentration of hydrogen ions than a solution with a pH of 6. D. The solution with a pH of 8 has a 2 times lower concentration of hydrogen ions than a solution with a pH of 6. E. The hydrogen ion concentration does not appreciably differ between a solution with a pH of 8 versus that with a pH of 6.
Because there was no previous history of hemophilia in Queen Victoria's family, and because she transmitted the mutant allele to a number of her children, it is reasonable to assume that ____
a. her father was homozygous for the disorder b. her mother was homozygous for the disorder c. her sister was a heterozygous carrier d. she was homozygous for the disorder e. she was a heterozygous carrier
The transport of molecules out of the urinary filtrate and into the blood is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is thought to be most closely related to the anthropoids?
a. lemurs b. galagos c. lorises d. tarsiers e. marsupials