問題詳情
44. 真核生物與原核生物在 DNA複製的過程有何不同？
(A)他們使用完全不同的酵素來執行複製
(B)因為真核生物的 DNA聚合酶比較特別，所以不需要像原核生物要利用延滯股（laggingstrand）來合成新股 DNA
(C) 原核生物不需要 DNA拓墣異構酶（Topoisomerase）來幫助 DNA複製
(D) 原核生物因為是環狀染色體，所以利用單一複製起始點開始複製;真核生物因為染色體是線狀，所以擁有多重複製起始點
(E)真核生物因為有組蛋白（Histones）與 DNA共纏繞，所以 DNA複製時要先分解組蛋白以後才能開始複製
(A)他們使用完全不同的酵素來執行複製
(B)因為真核生物的 DNA聚合酶比較特別，所以不需要像原核生物要利用延滯股（laggingstrand）來合成新股 DNA
(C) 原核生物不需要 DNA拓墣異構酶（Topoisomerase）來幫助 DNA複製
(D) 原核生物因為是環狀染色體，所以利用單一複製起始點開始複製;真核生物因為染色體是線狀，所以擁有多重複製起始點
(E)真核生物因為有組蛋白（Histones）與 DNA共纏繞，所以 DNA複製時要先分解組蛋白以後才能開始複製
參考答案
答案：D
難度：適中0.566038
統計：A(2),B(4),C(4),D(30),E(8)
內容推薦
- If x is the extinction rate of populations in patches per unit time and m is the rate of movemen
- Hamilton's Rule is a calculation of the strength in a population of _____.(A) sexual select
- If primary production increases in an ecosystem, it would be reasonable to expect that _____.(A)
- The plant hormone that inhibits growth and promotes leaf senescence is _____.(A) abscisic acid (
- The cells which allow us to distinguish different colors are _____.(A) cones (B) rods (C) both c
- 下述哪個敘述最能描述配體（ligand）與 G 蛋白耦合受體(G protein-coupled receptor)結合後立即發生的效應？(A)G 蛋白三聚體釋放出一個 GDP 並與一個 GT
- Which is NOT a feature of habitat destruction?(A) swamp drainage (B) deforestation (C) strip min
- Which of the following properties of a river is the closest to the headwaters?(A) Channel depth
- Which of the following statements concerning excretory system is FALSE?(A) Urea can be processed
- 下列哪種原生生物（protists）可以多細胞聚集（aggregation），具有纖維素細胞壁（cellulosecell walls），並且可以行異營（heterotrophic）生活？(A
內容推薦
- What is a major consequence for plants and animals if current predictions of global warming are
- 成熟促進因子(Maturation-promoting factor; MPF)(A)在 G1 細胞週期最活躍(B)由 cyclin 與 cyclin-dependent protein ki
- 以下關於痛與癢這兩種知覺的敘述何者為非？(A)痛與癢的感覺是由同一個腦區處理的(B)痛與癢是同一種感覺，由相同受器接受，只是程度不同造成感覺差異(C) 抓癢的時候會分泌血清素（serotoni
- Which of the following elements is NOT macronutrients for plants?(A) potassium (B) phosphorus (C
- 有關於木質部的運輸原理，下列敘述何者正確?(A)根壓是因根細胞的滲透壓和膨壓升高所致(B)蒸散作用導致導管內壓力升高(C) 蒸散作用致使葉肉細胞的滲透壓減低(D) 木質部與韌皮部的輸導作用皆與
- 在生物圈中，下列哪個組織階層的順序是對的？(A)population, ecosystem, landscape, individual, interaction(B)biosphere, l
- 有種動物黑眼（B）相對於紅眼（b）是顯性，棕毛（S）相對於白毛（s）是顯性。如今有隻黑眼棕毛的該動物，他可以產生那哪些基因型的配偶子（gametes）?(A)B, b, S, and s(B)
- The particular sequence in the template strand of DNA is 5' AGTAAT 3'. The correspondi
- 在 mRNA要開始轉譯為蛋白質的過程中，tRNAmet 首先與什麼結合？(A)游離的 mRNA上的起始密碼(B)核糖體 P site 上的起始密碼(C) 核糖體 Asite 上的起始密碼(D)
- 下列有關植物誘導防禦機制之敘述，哪個不正確?(A)當植物體受傷時，才會誘導系統素（systemin）的產生(B)系統素會與細胞膜的受器結合，進而使細胞內產生茉莉酸（jasmonate acid
- Which type of plants keeps their stomata open at night, but closed in the day?(A) C3 (B) C4 (C)
- 為何母系遺傳的粒線體基因與性聯遺傳的基因表現不同？(A)粒線體基因不會影響到性狀表現(B)粒線體基因一定是顯性，而性聯基因多為隱性(C) 粒線體基因在單一個細胞有非常多套，但性聯基因並非如此(
- At which phase is centrioles beginning to duplicate in animal cells?(A) interphase (B) prophase
- 有關於 RNA干擾（RNAinterference）的敘述何者錯誤？(A)RNAi 在動物或植物中都可發現(B)該系統可以通過阻礙特定基因的轉錄或是轉譯來抑制基因表現(C) 核糖核酸酶(RNa
- Allelopathy is _____.(A) interference competition(B) the secretion of toxins into the environmen
- Pores on the leaf surface that function in gas exchange are called _____.(A) xylem cells (B) sto
- During strenuous exercise, lactic acid is produced by human muscles because of an insufficiency
- C3 型植物的光合作用過程可以分成以下四個階段：(1) 能量傳遞至類囊體膜(thylakoidmembranes)上的天線葉綠素（antenna chlorophyll）; (2) 類囊體膜上
- In _____, a cell engulfs a particle by wrapping pseudopodia.(A) receptor-mediated endocytosis (B
- If one parent has the blood genotype A i and the other parent has the blood genotype B i, what (
- The emigration or immigration of fertile individuals from or to a small population may alter the
- In eukaryotic cell, a mature mRNA does NOT contain _____.(A) promoter (B) 5’ CAP (C) 5’ UTR(D) 3
- Which of the following structures does NOT develop from ectoderm of vertebrates?(A) epidermis of
- Which of the following statements about human immunodeficiency virus (HIV) is FALSE?(A) HIV is d
- In a dark environment, plants will grow toward light in a response called phototropism. Which of