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CH4.2 即時重溫 挑戰度︰★

Authored by 韓惠錦 韓惠錦

Science

7th Grade

Used 2+ times

CH4.2 即時重溫 挑戰度︰★
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11 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

去氧核糖核酸的英文簡稱是?

RNA

KNA

DNA

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

在細胞中,哪項物質的製造是由 DNA 決定的?

蛋白質

碳水化合物

Answer explanation

Media Image

DNA 載有資料,這些資料決定了細胞製造的蛋白質的種類。

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

一個 DNA 分子可長達多少米?

(提示:約一道門的高度)

1米

2米

3米

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

DNA由兩條長鏈互繞而成,這種構造稱為甚麼構造?

雙螺旋

交叉

X型

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

圖片中的構造稱為?

蛋白質

染色體

DNA

Answer explanation

DNA 分子可圍繞着一種蛋白質,形成一個線狀構造。

這個線狀構造再盤繞成較粗的 構造,稱為染色體。

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

人類大部分細胞都載有多少對染色體?

23

24

25

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

人類大部分細胞都載有多少條染色體?

(提示:23對)

46

48

50

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