Based upon today’s molecular evidence, Homo sapiens appear to have originated from:a
Europe.
b. Indonesia.
c. East Africa.
d. South Africa.
e. South America.
c
You might also like to view...
If you could increase the availability of O2 to the muscle cells of scorpions, you might expect respiration rates to
a. increase. b. remain relatively constant. c. decrease.
Which of the following statements is NOT a
possibility even though the phylogenetic lineages for hominins are not definitive? a. Homo preceded Australopithecus. b. Homo sapiens is the most recent. c. Australopithecus is probably more ancient than Homo. d. Homo erectus preceded Homo sapiens. e. Homo and Australopithecus may have evolved at the same time.
Which of the following statements about methyl-directed mismatch repair systems is FALSE?
A. Methyl-directed mismatch repair systems are most often used to correct pyrimidine dimers. B. Methyl-directed mismatch repair systems require exonucleases. C. Methyl-directed mismatch repair systems require the concerted actions of several proteins. D. Methyl-directed mismatch repair systems recognize incorrectly matched base pairs in the DNA. E. Methyl-directed mismatch repair systems exist in all species.
Which hormones counteract each other in regulating calcium homeostasis?
A. atrial natriuretic peptide and aldosterone B. antidiuretic hormone and parathyroid hormone C. antidiuretic hormone and aldosterone D. antidiuretic hormone and vitamin D (1,25 dihydroxyvitamin D) E. parathyroid hormone and vitamin D (1,25 dihydroxyvitamin D)