________ is the specific three-nucleotide base sequence of the tRNA.
A. Uracil
B. A codon
C. An anticodon
D. A ribosome
Answer: C
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__________ is a good candidate for the ancestor of all higher primates
a. Aegyptopithecus b. Apidium c. Branisella d. Catopithecus
For demand functions, which of the following cannot be an independent variable?
A) consumer incomes B) the price of the good in question C) the quantity demanded of a good D) the price of a substitute good
The fossil "Lucy" is most similar to modern chimpanzees with respect to which of the following?
A. the ability to walk upright B. cranial capacity C. amount of body hair D. body size
Which the following is the best way to determine the human age of a fossil specimen?
a. Pelvic area b. Length of the jawbone c. Molar teeth d. Foot size e. Size of eye sockets