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Is a human muscle cell a somatic cell or a gamete?
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Which element is used in photosynthesis found in atmosphere and fixed by bacteria?
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The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
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Is a human muscle cell a somatic cell or a gamete?...
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