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小 發表於 2016-2-17 06:00 PM (第 2983 天)
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回覆 1# andy2015 的帖子
q2) (3):The chromatin condenses to form chromosomes at prophase.
q22) cytoplasm of parent cell doesn't duplicate, it just grows a bit larger, so the cytoplasms of daughter cells are smaller (not sure, but C is absolutely wrong).
q27) Humus is an organic matter. When the dry soil is heated, all the humus will be burnt and it gives off smoke. The loss in weight of soil after heating is the weight of humus present.