2014年11月20日 星期四

中四生物練習:第2章

書後練習 (P. 30 - 35)
M.C
1
2
3
4
5
6
7
8
D
C
B
C
C
C
D
B
(8)

Q.11

(4)

Q.12
優點:
                電子顯微鏡可以用來觀察細胞內的細小構造。/
                電子顯微鏡可以產生放大率較大的影像。/
                電子顯微鏡可以產生解像度較高的影像。/電子顯微鏡的解像能力較高。(任何兩項)        1x 2
                缺點:
                利用電子顯微鏡觀察細胞較昂貴。/
                電子顯微鏡較難操作。/
                製備樣本的過程較複雜。/
                不能用來觀察活樣本。(任何兩項)                                                          1x 2
        b      i       47 mm                                                                                                             1
                ii      47 mm/6800                                                                                                    1
                    = 6.91 μm                                                                                                        1
        c      i       線粒體                                                                                                            1
                ii      它是進行呼吸作用以釋放能量的主要地方。                                            1
(9)

Q.14
    a      i       28000/2                                                                                                           1
                        = 14000                                                                                                           1
                ii      線粒體                                                                                                            1
                iii     呼吸作用在線粒體進行。呼吸作用釋出能量。                                        1
                        肌肉細胞需要大量能量,                                                                            1
                        供肌肉收縮。                                                                                                1
        b      肌肉細胞有細胞核/核膜,細菌則沒有。                                                        1
                肌肉細胞有由雙層薄膜包圍的細胞器,細菌則沒有。                                    1
                肌肉細胞沒有細胞壁,有些細菌則有細胞壁。                                                1
(9)
從閱讀中學習 (P.37)
1  圖中變形蟲的長度 = 2.6 cm                                                                                        1
        變形蟲的實際長度 = 2.6/150 = 0.0173 cm = 173 μm                                                  1
變形蟲是真核生物。                                                                                                    1
        它具有真正的細胞核。                                                                                                1
線粒體是釋放能量的主要地方。                                                                                1
        酶從粗糙內質網製造出來。                                                                                        1

(6)

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