Our own species, ________, appears to have evolved in Africa less than 200,000 years ago.
A. Homo australopithecus
B. Homo habilis
C. Homo erectus
D. Homo hominis
E. Homo sapiens
Answer: E
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Regulatory transcription factors: (Select all correct choices)
A. bind to DNA sequences in or near enhancer genes. B. recruit components of the transcriptional complex of proteins. C. recruit the components of the RNA polymerase complex.
Research in Colorado’s San Juan Mountains has illustrated that in comparison to stands of lodgepole pine and Englemann spruce, stands of trembling aspen are not likely to ____.
a. grow in warmer soil b. grow in soil with higher nitrate concentrations c. be associated with different arrays of soil-dwelling organisms d. allow more sunlight to reach the soil surface e. retain their leaves through the winter
Penguins are only found in the Northern Hemisphere
Indicate whether the statement is true or false
Must is used in the production of
A. beer. B. red wine. C. sake. D. white wine E. both beer and sake.