The belief that humans arose in sub-Saharan Africa and then moved out is which model of evolution?
a. classic
b. retroactive
c. multiregional
d. migratory
e. African emergence
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In genomic libraries:
(a) naturally and arti?cially selected plants are genetically engineered. (b) DNA fragments are stored in plasmids. (c) a virus is used to transform human cells. (d) none of the above are done.
The most important natural auxin is ____ acid
a. abscisic b. gibberellic c. jasmonic d. indoleacetic e. salicylic
In a lipid bilayer, __________ fatty acid tails face each other within the bilayer and form a region that
excludes water. a. hypertonic b. hyperosmotic c. hypotonic d. hydrophilic e. hydrophobic
Humans differ from other animals, such as dogs and bears because humans are macrosmatic and other animals are microsmatic
Indicate whether the statement is true or false.