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What is the name of the process that transports substances across a cell membrane with the aid of a carrier and energy expenditure?
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Place the steps tor the formation of the enzyme pepsinogen in correct order
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According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously
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Biology, 22.06.2019 17:40
Which is abiotic? a. tree sap b. insect c. sunlight d. wood table
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Biology, 22.06.2019 19:00
Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide
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What is the name of the process that transports substances across a cell membrane with the aid of a...
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