SL/HL Topic B2.2 Organelles and compartmentalisation

1#

1. Why is the cell wall not considered to be an orxkf.sc4wc +z:ganelle?

A. It contains cellulose.

B. It is too big.

C. It is not surrounded by a membrane.

D. It contains DNA.

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2#

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2. Which of the following units isua 3dbuy6j) lwd4; rt2gffq .rrom+4; the most useful as the unit of size of a mitocr3rfo; uwt6mb4g 4d+q u;yda.r )fl2jhondrion?

A. $A$

B. µm.

C. mm.

D. nm.

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3#

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3. Which of the following apparatus and techniques 1zb/6yhpt asv)ifm;+ was used in determining the function of individua b;z6av+h )m1spfi/yt l organelles?
I. Fractionation.
II. Ultracentrifugation.
III. Electron microscopy.
IV. Light microscopy

A. All of the above.

B. I, II and IV only.

C. I only.

D. II only

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4#

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4. Which of the following ares 1y)vi-kln /h advantages of the presence of a nuclear membrane surrounding the nuch/li)n-1 vyskleus of eukaryotic cells?
(1). Separation of the DNA from the cytoplasm.
(2). Separation of gene transcription from translation.
(3). Concentration of enzymes for DNA replication and transcription.
(4). Increased efficiency of nuclear division.

A. All of the above

B. I, II and IV only.

C. I and IV only.

D. II and III only.

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5#

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5. List four organelles that would be found in a photosynthetic cell o wj zqoj zq0;ee*dzz)l-9s8n6f a leaf.

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6#

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6. Explain the advantage tor9- 7 cn)k.rko9czv wh cellular function of organelles being surrounded by a membrane. Illustrate your answer with an examwv 9r7h9cz.)rk- knocple.

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7#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

7. The image shows a mitoc :.sanie e-,vchondrion.

Outline 3 ways in which a mitochondrion is adapted to its function.

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