The left to right order of elements in the periodic table is based on their ________.
A) atomic mass
B) atomic number
C) electric charge of the atom
D) the number of neutrons
Ans: B) atomic number
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The percentage of recombination associated with independent assortment should approximate 50%
Indicate whether the statement is true or false
After an action potential is triggered, the rapid increase in membrane potential can be attributed to
A. the closing of sodium leak channels. B. the direction reversal of the sodium/potassium pump. C. the opening of the voltage-gated potassium channels. D. the closing of potassium leak channels. E. the opening of voltage-gated sodium channels.
Which of the following terrestrial ecosystems has the highest rate of primary productivity
A) tropical rainforest B) prairie C) tundra D) marsh E) temperate rainforest
Eyes contain ____
A. chemoreceptors. B. mechanoreceptors. C. photoreceptors. D. nociceptors. E. thermoreceptors.