Evidence for the theory of common descent demonstrates consilience, which means that
A) supporting evidence for the theory is derived from different sources.
B) the evidence is able to convince even nonscientists who have doubts about the theory.
C) not enough evidence has been gathered to support the theory.
D) the theory can never be challenged by new evidence.
Answer: A) supporting evidence for the theory is derived from different sources.
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After DNA replication is complete, each strand of the original molecule is bound to a new complementary strand. This process is known as
A. disruptive replication. B. conservative replication. C. semiconservative replication. D. dispersive replication. E. stabilizing replication.
Which of the following statements is correct?
a. Offspring of two different true-breeding varieties are called hybrids. b. Mendel's pea plants could cross-fertilize but not self-fertilize. c. True-breeding plants are able to produce a variety of flower colors when self-fertilized. d. A genetic cross produces the P generation.
At present the human population is
A. in the death phase B. growing rapidly C. stable D. in the lag phase
A large organic molecule that contains repeating subunits is called a _____.
A) monomer B) polymer C) steroid D) simple sugar