Biology, 21.05.2020 20:07 EmmaPreston43
Kissing, sexual intercourse, and hand shaking are examples of what?
a. Indirect contact transmission
b. Direct contact transmission
c. Air transmission
Answers: 3
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After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?
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Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.
Answers: 1
Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
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Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
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Kissing, sexual intercourse, and hand shaking are examples of what?
a. Indirect contact transm...
a. Indirect contact transm...
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