In a non-dividing cell, what part of the life
cycle is it in?
a. G1
b. S
c. G2
d. prophase
e. more than one of these
A
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Four of the five answers are conditions that may help to break dormancy of seeds. Select the exception
a. abrasion of the seed coat b. freezing temperatures c. bright light d. fire e. salty soil conditions
The AIDS epidemic has driven many African
populations to what demographic stage? a. preindustrial b. transitional c. industrial d. postindustrial e. pretransitional
Which genus or genera of hominin is/are most consistently associated with stone tools?
A) Homo B) Paranthropus C) Australopithecus D) Sahelanthropus E) All of the above.
Which of the following membrane activities does NOT require the expenditure of energy by the cell?
a. active transport b. osmosis c. endocytosis d. exocytosis e. synthesis of more membrane