How does the total number of replication origins in bacterial cells compare with the number of origins in human cells?
(a) 1 versus 100
(b) 5 versus 500
(c) 10 versus 1000
(d) 1 versus 10,000
(d)
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Cervical swab is:
a. acceptable. b. not acceptable.
Which group of adult tissues is derived from the mesoderm?
a. lining of the digestive tract, liver, pancreas b. muscles, bones, cartilage c. skin, brain, retina d. skin, liver, pancreas e. lining of respiratory tract, thyroid gland, urinary bladder
The purpose of this image was to promote
1.a sleep aid for soldiers
2.information from a war zone
3.newly discovered antibiotics
4.none of the choices
The early evolution of higher apes and early ancestors of modern humans most closely resembles
A. two streams, Australopithecus and Homo, that merge into one lineage leading to humans. B. a straight-line vine with one main trunk and many unsuccessful short branches, with only one or two forms coexisting at any one time. C. a many-branched tree with all modern forms extending back relatively unchanged until reaching the common "missing link" at an origin about 33 million years ago. D. two main trunks leading to apes or humans, and where each newly advanced species of Homo immediately eliminated any coexisting hominids. E. a complex bush with many branches and perhaps as many as ten species of hominins 2 million years ago.