Which anthropoids are most closely related to humans?
A) orangutans
B) chimpanzees
C) gorillas
D) gibbons
B
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Which of the following would be most effective and practical for routine home disinfection of a toothbrush between uses?
A. Hydrogen peroxide B. 70% Isopropyl alcohol C. Bleach D. Glutaraldehyde
The chromosome must be ___________ in order to fit into the bacterial cell.
A. supercoiled by topoisomerases B. supercoiled around histone proteins C. organized into loop domains by topiosomerases D. compacted into a nucleosome E. both organized into loop domains and supercoiled by topoisomerases
Which statement is NOT true about the founder effect?
A. Founding members contain a tiny fraction of the alleles found in the original population. B. It is a form of genetic drift. C. It produces a high frequency of some rare alleles in a small isolated population. D. The founder effect occurs when a population is subjected to near extinction and then recovers so that only a few alleles are left in survivors.
Which statement regarding the scientific method is FALSE?
(a). Experimental results are reported in scientific journals. (b). Hypotheses are finally proven as absolutely true or false. (c). The control is not subjected to the experimental variable. (d). Statistical tests may be used to analyze experimental results. (e). Experimental results are often summarized in a graph or table.