DNA is composed of:
A. adenine, cytosine, guanine, and thymine.
B. chromosomes, autosomes, and diploid cells.
C. nucleotide bases, sugars, and phosphates.
D. chromosomes and autosomes.
Answer: C
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How can you best describe multigenerational households?
a. In a multigenerational household, there are three or more generations. b. In a multigenerational household, the grandparent is the primary wage earner. c. In a multigenerational household, there is a generation gap between the spouses. d. A multigenerational household contains a maximum of two generations. e. A multigenerational household combines more than two families that are not related by blood.
How does being held or carried frequently by their mothers affect the temperament of young children?
A) They are more trusting and optimistic. B) Compared to children who are held less frequently, they are clingy and dependent. C) Unlike children who are held less frequently, they are bossy and demanding. D) There is no clear effect of carrying a baby on the child's later temperament.
The majority of Neandertal fossils been found in _____________where they have been most studied
a. South America b. Asia c. India d. Africa e. Europe
Which of the following species has the greatest average cranial capacity?
A. Homo erectus B. Neanderthals C. Australopithecines D. Homo habilis