A founder effect occurs when
A) geographic barriers separate populations.
B) some individuals leave a larger group.
C) individuals in a population have few children.
D) mutations introduce new alleles into a population.
B) some individuals leave a larger group.
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The gene sequence of the p53 protein illustrates
A. near complete dissimilarity of gene sequence between organisms yet shows a similarity in function for a protein. B. greater similarity within closely related groups, but differences from other groups. C. evolutionary relatedness of primates, other mammals, birds, and fish. D. greater similarity within closely related groups, but differences from other groups and evolutionary relatedness of primates, other mammals, birds, and fish are correct. E. no connection between any of the nine animals and their p53 gene sequence.
Which of the following is a byproduct of the hydrolysis of water in a light-dependent reaction?
a. Carbon dioxide b. Carbon c. Carbon monoxide d. Oxygen
Which of the following would be a modern example
of Lamarckianism? a. A strain of houseflies resistant to insecticides emerges. b. Squirrels separated by a river are found to be unable to interbreed. c. A son is born with a portion of his right index finger missing—the same portion that was severed from his father’s hand in an accident. d. A strain of houseflies resistant to insecticides emerges, and squirrels separated by a river are found to be unable to interbreed. e. A strain of houseflies resistant to insecticides emerges; squirrels separated by a river are found to be unable to interbreed, and a son is born with a portion of his right index finger missing—the same portion that was cut off from his father’s hand in an accident.
Mitochondria use respired oxygen as an electron acceptor in the process known as:
a. pulmonary ventilation. b. cellular respiration. c. external respiration. d. internal respiration. e. anaerobic respiration.