Metabolism is a term that describes the
A) breaking down of complex organic molecules by bacteria
B) rate at which molecules travel across cell membranes
C) chemical processes that occur inside cells
D) rate of cell division of bacteria
C
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When the intensity of light is increased in a photoelectric effect experiment, the energy of the emitted electrons __________
Fill in the blank(s) with correct word
A converging lens will cause parallel rays of light to
A. Bend to meet at the focal point of the lens. B. Remain parallel C. Bend as though coming from the focal point of the lens. D. Scatter in random directions.
What would happen if the fusion rate in the core increased but the core could not expand?
A) The Sun's core would heat and the rate of fusion would increase further. B) The Sun's core would reach a new equilibrium, but at a cooler temperature. C) The Sun's core would reach a new equilibrium, but at a higher temperature. D) The Sun's core would cool and the rate of fusion would decrease.
_____ was a type II supernova that was produced by the explosion of a hot, blue supergiant
A) SN 1572 B) SN 1604 C) SN 1987A D) SNR 1868