Divergence time estimates based on molecular clocks are
A) best interpreted with caution, since they depend on assumptions that are difficult to test.
B) likely to be correct regardless of the genes used or the groups of organisms.
C) more reliable than divergence dates that are based on analysis of the fossil record.
Answer: A
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The class of macromolecules that are primarily responsible for catabolic and anabolic activities in a cell are the
A. nucleic acids B. proteins C. lipids D. carbohydrates
Koch's postulates are easily satisfied for viral diseases.
Answer the following statement true (T) or false (F)
One part of Darwin's theory is that individuals with certain traits have an increased competitive edge
The source of these traits in individuals is due to a. adaptation to the stress. b. development over a lifetime. c. inheritance from birth. d. mutation after birth. e. all of these.
Metaphase
What will be an ideal response?