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State how facilitated diffusion is achieved
describe ways in which organisms maintain concentration gradients across membranes
describe properties of an exchange surface that would facilitate rapid diffusion rates
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Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere
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Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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What organ is the first to receive nutrients that have been absorbed from the digestive tract?
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State how facilitated diffusion is achieved
describe ways in which organisms maintain concentration...
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