In the 17th century, British biologist Robert Hooke discovered the cell. A little more than a century later, French botanist René Henri Dutrochet concluded that all living things arise from cells, and all cells are derived from other cells. Dutrochet's proposal indicates that —
A
cells are the highest level of organization in a living organism.
B
cells are not a level of organization in a living organism.
C
cells alternate between being the highest and lowest level of organization in a living organism.
D
cells are the lowest level of organization in a living organism.
Answers: 2
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How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
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The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
In the 17th century, British biologist Robert Hooke discovered the cell. A little more than a centur...
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