Select the best choice for the following statements in reference to the four hominids listed below.
A. Homospecies whose fossils were discovered with stone tools in Kenya.
B. The first species found outside of Africa and established a population in the Republic of Georgia.
C. The only surviving Homo species.
D. The Neanderthals belong to this species.
A. _Homo habilis_
B. _Homo erectus_
C. _Homo sapiens_
D. _Homo neanderthalensis_
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If a population was in Hardy-Weinberg equilibrium, then ____ would occur in that population.
A. directional selection B. an increase of recessive alleles C. no evolutionary changes D. assortive mating E. natural selection
Which of the following has not been an effective treatment for syphilis?
A. Vancomycin B. Arsenic C. Penicillin G D. Mercury
Which of the following is true of the structure
labeled “B”? a. It is composed of tubulin subunits. b. It is composed of actin subunits. c. It is a microtubule. d. It is an intermediate filament. e. It is found in cells that give rise to nails and hair.
Both photosynthesis and cellular respiration rely on electron carrier molecules to provide electrons to ultimately help produce ATP. In photosynthesis, the source of electrons is ________ and in cellular respiration the source of electrons is ________
A) carbon dioxide; oxygen B) glucose; oxygen C) water; glucose D) oxygen; carbon dioxide