题目

  What is your favorite color? Do you like yellow, orange, red?    46    Do you prefer grays and blues? Then you are probably quiet, shy, and you would rather follow than lead. You tend to be pessimist. At least, this is what psychologists (心理学家)tell us, and they should know, because they have been seriously studying the meaning of color preference, as well as the effect that colors have on human beings.   47   If you happen to love brown, you did so, as soon as you opened your eyes, or at least as soon as you could see clearly.    48   A yellow room makes most pe某校生物兴趣小组要探究酵母菌通过呼吸产生等量CO2时，有氧和无氧条件下消耗葡萄糖量的多少。他们将相同的无菌葡萄糖溶液与少许酵母菌混匀后密封（瓶中无氧气）,按下图装置进行实验。当测定甲、乙装置中CaCO3沉淀相等时,撤去装置,将甲、乙两锥形瓶中的溶液分别用滤菌膜过滤,除去酵母菌,得到滤液1和滤液2。请分析回答：（1）甲、乙两组实验的自变量是__________,实验中需控制的无关变量主要有__________（写出一个即可）。（2）酵母菌细胞中能产生ATP的场所是_____________、_______________。（3）请你利用提供的U形管（已知滤液中的葡萄糖不能通过U形管底部的半透膜,其余物质能通过）、滤液1和滤液2等,继续完成探究实验。实验步骤:①将__________的滤液1和滤液2分别倒入U形管的A、B两侧并标记;②一段时间后观察__________的变化。实验结果预测和结论:①如果____________________,则有氧呼吸消耗的葡萄糖少②如果____________________,则有氧呼吸消耗的葡萄糖多;③如果A、B两侧____________________,则有氧呼吸和无氧呼吸消耗的葡萄糖一样多。