The random movement of molecules is referred to as:
A. transport.
B. osmosis.
C. diffusion.
D. All of the answer options are correct.
Answer Key: C
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Cloned genes may be mutated outside of a cell by a process called in vitro site-directed mutagenesis
Indicate whether the statement is true or false
The famous skeleton named Lucy belong to which species?
a. Homo erectus b. Homo habilis c. Australopithecus afarensis d. Homo floresiensis e. Neanderthals
Chromatids that are attached at the centromere are called ____ chromatids.
A. mother B. daughter C. sister D. programmed E. either mother or daughter
Likelihood is preferable to parsimony to infer a phylogeny when
A. there is a great deal of homoplasy. B. a researcher wishes to incorporate different models of molecular evolution into phylogenetic estimates. C. evolutionary rates vary greatly among the taxa of interest. D. a researcher wishes to include a measure of confidence in the nodes of the phylogeny. E. All of the above