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单细胞生物

Authored by Ruoxin Yao

Used 1+ times

单细胞生物
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24 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若把变形虫的核从其体内取出,则变形虫应表现出____。

失去核的变形虫,虽停止伸出伪足,但在几天后核就再生,能正常活动

失去核的变形虫,细胞质功能逐渐衰退,几天内将死亡

失去核的变形虫,虽然反复进行数次分裂,但结果还是死亡

除去核以后,细胞质活动反而暂时提高,因此细胞分裂变得更加旺盛

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

植物细胞作为植物有机体结构和功能的基本单位,区别于动物细胞的结构是___。

叶绿体、线粒体

液泡、叶绿体

细胞壁、叶绿体

细胞壁、细胞膜

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

衣藻通过 (a)   能进行光合作用。

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

草履虫通过 (a)   摆动进行运动。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

面包师制作面包时,要使面包膨大松软,需用到下列哪种菌类?

醋酸菌

酵母菌

乳酸菌

霉菌

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

酵母菌在缺氧时,分解糖产生二氧化碳和酒精,这一过程叫做 (a)  

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Media Image

下列哪种生物可用来酿酒?

(a)  

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