Cells that are not yet "earmarked" to become specialized parts of one's body are known as:
A. embryonic stem cells.
B. deoxyribonucleic acid (DNA) cells.
C. immature base cells.
D. free radicals.
Answer: A
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The study of nonhuman primates to learn information about human evolution is limited by __________
a. the fact that we are not really primates ourselves b. the small number of living nonhuman primate species c. the wide range of behaviors documented in the Primate order d. the relative lack of similarity between primates and ourselves
Among nonhuman primates, research indicates that males only attempt to mate with their own monogamous mate
Indicate whether the statement is true or false
Modern-day humans do have wild predators that threaten them
a. True b. False Indicate whether the statement is true or false
Which of the following practices is commonly found among the Navajo?
a. A woman's children are considered legitimate members of the matriclan whether or not she is married. b. A man's children are considered legitimate only if he resides with the woman for more than one year. c. Sexual activity is never permitted outside of marriage, and it is rare for children to be born outside of wedlock. d. Children are believed to belong to the tribe itself and are not members of any nuclear family until they marry. e. The patriclan of the tribe controls children and they are raised by the father's family.