Channel proteins help large molecules pass through the cell membrane.
Answer is a cause atoms have a positive charge and are located in nucleus
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You gotta be more specific
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or else i cant answer this question.
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Organisms whose life history is subject to K-selection are often referred to as K-strategists or K-selected. Organisms with K-selected traits include large organisms such as elephants, humans, and whales, but also smaller, long-lived organisms such as Arctic terns, parrots and eagles.
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