Which of the following are true regarding point mutations? a) changes to the third position of a codon are always silent b) changes to the first position of a codon always change the amino acid coded for by the codon. c) a point mutation in a codon is likely to change the reading frame of the gene. d) b) and c) are true, but not a) e) none of the above are true.

Japan’s key exports to africa and southwest asia are mostly a) raw materials. b) human capital. c) manufactured items. d) agricultural products.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between

According to the law of supply, suppliers want to sell their product at prices