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阿摩：反覆練習，方可提高對試題的敏感度
60分
(41 秒)
模式:自由測驗
科目:學士後 - 普通生物學（生物學）
難度:隨機
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1(A).
X


75. Which of the following does not represent a chemical signal?
(A) movement of a signal from one end of a nerve to the other end of the nerve
(B) movement of a signal from one nerve to the next
(C) an immune cell releasing a cytokine
(D) a chemical released that affects the cell that releases it



2(A).
X


50. Each of the following has a better chance of influencing gene frequencies in small populations than in large populations, but which one most consistently requires a small population as a precondition for its occurrence?
(A) Mutation
(B) Non-random mating
(C) Genetic drift
(D) Natural selection



3(A).
X


23. The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cell obtain more calcium?
(A) passive transport
(B) diffusion
(C) active transport
(D) osmosis
(E) all of the above



4(A).
X


3. 組蛋白(histone)是一群鹼性蛋白質，有 H1、H2A、H2B、H3、H4 五種類型，與 DNA 組合 成染色體。其中組蛋白 H1 和下列何種染色體超微結構的維持最相關？
(A) telomere
(B) 30-nm fiber
(C) looped domains
(D) centromere



5(C).

10. 胚胎幹細胞(Embryonic stem cells)與誘導性多功能幹細胞(Induced pluripotent stem cells)， 此兩者之間最可能的共通點是：
(A) 源自於胚胎
(B) 表現的基因種類相同
(C) 可分化出外胚層、中胚層、內胚層
(D) 產製時需要外加基因誘導



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學士後 - 普通生物學（生物學）自由測驗(難度:隨機)-阿摩線上測驗

Ying-Chang剛剛做了阿摩測驗，考了60分