On the possibility that a pre-Homo erectus could have left Africa, Campbell and Loy suggest that
A) environmental conditions would have allowed a pre-Homo erectus to leave Africa
B) it is has been shown that pre-Homo erectus did not leave Africa
C) environmental conditions would not have allowed a pre-Homo erectus to leave Africa
D) it is unlikely that pre-Homo erectus species wee adaptable enough to leave Africa
E) none of these
A
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Hunter-gatherer societies have never been in contact with or influenced by other cultures
Indicate whether the statement is true or false.
All definitions of culture include reference to __________
a. the biological elements of culture b. selectively shared knowledge, attitudes, values, and beliefs c. economic forces as a role in shaping culture d. survival of the fittest
Which of the following statements about the HbSÂ allele is FALSE?
A. It is found in higher gene frequencies in regions where malaria is endemic. B. Heterozygous individuals have an increased immunity to malaria. C. Homozygous individuals usually develop fatal cases of dysentery. D. It causes sickle-cell anemia in homozygous individuals. E. In areas where malaria has been reduced through drainage and insecticides, its frequency declines.
Briefly describe the process of protein synthesis and the involvement of codons
What will be an ideal response?