DNA base combinations are always __________
a. A-T or C-G
b. A-G or C-T
c. G-T or A-C
d. none of these
Answer a
You might also like to view...
Unlike the Mousterian technology, which had many different kinds of stone tools, the tool traditions of the Upper Paleolithic included only a few different types of implements.
Answer the following statement true (T) or false (F)
Subsistence, or the means of acquiring resources, is a part of the cultural:
a. social structure b. substructure c. superstructure d. infrastructure
Which of the below was NOT an example of the importance of war and raiding among traditional Plains Indians?
a) Children derived their names from warriors’ exploits. b) Societies conducted important corn-planting ceremonies. c) Women displayed their husbands’ and sons’ war and raiding trophies. d) Traditional religion was permeated with symbolism of raiding and war.
In an example of how microscopic evidence in studying the past can yield surprising results that may overturn long-held assumptions, Williamson's analysis of microscopic residues stuck to the edges of cutting tools found at a cave site in South Africa revealed that
A. 50 percent of the residues were from plants, contradicting the prevailing assumption that such tools were used mainly to hunt and butcher animals. B. all of the residues were from butchered animals, but most of the butchering had been performed by women and not by men. C. 30 percent of the residues were from plants, suggesting a slow transition from vegetarian to carnivorous diets. D. 50 percent of the residues were from domesticated plants, pushing back the date of plant domestication from 10,000 to 40,000 years ago. E. 30 percent of the residues were from human flesh, suggesting cannibalism.