Peking man and Java man, which were discovered in Asia, are later examples of:
a. Australopithecus afarensis.
b. Australopithecus africanus.
c. Homo erectus.
d. Homo sapiens.
e. Homo habilis.
C
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Which of the following anterior pituitary hormones stimulates the release of hormones by the adrenal glands?
a. Luteinizing hormone (LH) b. Adrenocorticotropic hormone (ACTH) c. Thyroid-stimulating hormone (TSH) d. Follicle-stimulating hormone (FSH)
Water is important to the interactions of biological
molecules because it a. promotes hydrophobic and hydrophilic interactions. b. stabilizes temperature. c. is an excellent solvent for polar and ionic substances. d. has strong cohesive properties. e. is all of the above.
Which of the following is true about an antigenic shift?
A. It avoids genetic reassortment. B. It causes major changes in the flu virus. C. All of the answers are correct. D. It causes minor changes in the flu virus. E. It doesn't cause any changes in the flu virus.
Restriction (enzymes/proteases/polymerases), first isolated from bacterial cells, cut DNA molecules at specific sites.
Fill in the blank(s) with the appropriate word(s).