Answer The cell membrane is selectively permeable . It lets some substances pass through rapidly and some substances pass through more slowly, but prevents other substances passing through it at all. ... Larger molecules such as glucose require a specific transport protein to facilitate their movement across the cell membrane.
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Answer: ummmmmmmmmmmmmmmmm yeah
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milk is present in the digestive system, which turns on the gene for lactase.
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Well I don’t know if this is much help but bacteria, unlike plants and animals, are unicellular, they only have one type of cell.
Answer: This is the long-term carbon cycle. So, carbon takes up various forms: glucose in plants, carbon dioxide in the air and hydrocarbons like coal.