A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
Coal, oil, and natural gas are the three main fossil fuels<span>—carbon-based </span>fuels<span>stored in Earth's crust. ... But the major concern is the carbon dioxide emitted from burning </span>fossil fuels<span>. Carbon dioxide levels in the atmosphere are rising and raising the temperature of Earth, which threatens widespread climate change.</span>
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many antibiotics includes penicillin, work by attacking the cell wall of bacteria. specifically, the drugs prevent the bacteria from synthesizing a molecule in the cell wall called peptidoglycan.
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Your answer will be Bacteria heterotroh are also known as consumers.