湖南省高一寒假作业答案

2025-03-15 05:27:06
推荐回答(4个)
回答1:

生物(二)参考答案
一、 选择题
1.D2.C3.B4.B5.C6.C7.C8.C9.B10.A11.B12.B13.C14.C15.C16.B17.C18.A19.A20.D21.D22.B23.C24.A25.A26.C27.A28.A29.B30.D31.C32.B33.B34.D35.B36.C37.C38.C 39.B 40.C
二、非选择题
41. (1)②中心体 细胞壁 叶绿体 液泡 (2)①线粒体 (3)③核糖体 ⑦核仁 (4)⑥染色质 DNA 蛋白质 (5)①线粒体 (6) ②中心体 ⑩溶酶体
42.(1)丙酮酸 细胞质基质 (2) ①② ② (3) ①②③ ①②④
(4)小麦根部细胞无氧呼吸产生酒精,使蛋白质变性而导致小奶死亡。
(5)有氧呼吸化学反应式(略)
43. (1)后(2)8 (3)4 (4)间 染色体复制(或DNA复制)(5)赤道板 细胞板 新的细胞壁

44.

(1)碘液 (2)如变蓝则是用淀粉冒充的

(3)采样来的脱脂奶粉和正品的全脂奶粉各少许配成适当浓度的溶液,分别加入A、B两试管中;各加入3滴苏丹Ⅲ染液;比较两试管颜色的差异程度

(4)如(3)中对比不明显,则是用全脂奶粉冒充的,如A管颜色比B管颜色浅,则是脱脂奶粉。 (5)双缩脲

回答2:

我和你一样的,找到了通知声啊。。

回答3:

几句话还不阁居还不快

回答4:

我只有一点点英语 部分历史和地理 你要么?

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