Cell Theory Ib Question

Topics: Cell, Eukaryote, Bacteria Pages: 7 (1105 words) Published: May 22, 2013
(a)State two processes which involve mitosis.
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(2)
(b)Explain the importance of the surface area to volume ratio as a factor limiting cell size.
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(3)
(c)State one difference between the proteins produced by free ribosomes and those produced by ribosomes attached to the endoplasmic reticulum.
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(1)
(Total 6 marks)

Outline the process of endocytosis.
(Total 5 marks)

According to cell theory all cells arise from pre-existing cells. The following diagram shows the cell cycle of a eukaryotic (body) cell of a diploid organism.

(a)Define the term diploid.
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(1)
(b)Identify the parts of the cell cycle labelled A and B.
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B .................................................................................................................................
(1)
(c)State three activities that occur during part A of the cell cycle.
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(3)
(d)Outline the differences in...
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