Biology, 22.10.2020 01:01 rebecca7415
Cells needs to bring in molecules to carry out cellular processe. often this required moving the molecules across the cell membrane against the cocentration gradient
passive transport by diffusion
active transport using ATP
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The use of dna as evidence in criminal investigations became possible because of the
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Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
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Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.
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Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
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