Dalton’s law of partial pressures states that the total pressure of a mixture of gases is equal to the sum
of the pressures of the individual gases.
____________________ Indicate whether the statement is true or false.
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Which one of the following cell types would likely have the most extensive system of smooth endoplasmic reticulum?
A. skin cells B. pancreatic cells that secrete digestive enzymes C. testicular cells D. central nervous system cells E. muscle cells
Which of these is NOT a component of
biodiversity?
a. genetic diversity b. species richness c. ecosystem diversity d. ecological footprints e. more than one of these
Keeping a plant under green light will
A. result in its death. B. increase the rate of photosynthesis. C. cause it to lose its accessory pigments. D. cause it to set flowers.
Which of the following genetic changes would NOT be passed from parent to child?
a. a mutation in a skin cell b. the loss of a chromosome in a sperm cell c. the addition of a chromosome in an egg cell d. a translocation in a gamete