Download AQA B2 ESQ - Bacterial vs Plant Cell ANS

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Cells and Cell Structure
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1 (a)
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The diagram below shows two types of cell, one bacterial cell and another one taken
from a plant. The diagrams are not drawn to scale.
DNA
Bacterial Cell
Plant Cell
The DNA of the bacterial cell is labelled. Name the structure where DNA is found in the
plant cell.
Nucleus [1 mark]
1 (b)
(1 mark)
The two cells in the diagram can control what comes in and goes out. Name the
structure that helps these two cells to do this.
Cell membrane/plasma membrane/semi-permeable membrane [1 mark]
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1 (c)
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(1 mark)
Animal cells have some features in common with the two cells shown. One of these is
called the ribosome. Describe the role of ribosomes in these cells.
(Ribosomes) make proteins [1 mark] You could also say that ribosomes make
polypeptides but this is not on the spec and to
say ‘make proteins’ is enough.
From amino acids [1 mark]
(2 marks)
!1 (c) (i) A student wants to observe ribosomes in onion cells, under a light microscope during a
science lesson. Suggest why the student is not going to be able to do this.
They are too small or you need an electron microscope or a much
more powerful microscope [1 mark]
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my-GCSEscience.com (1 mark)
(Total 5 marks)
ESPQ|BLY2|DFFN