The diagram below shows part of the ultrastructure of a cell membrane - Leaving Cert Biology - Question 3 - 2017
Question 3
The diagram below shows part of the ultrastructure of a cell membrane.
(a) Name the molecules labelled A and B.
A ________________________
B _____________________... show full transcript
Worked Solution & Example Answer:The diagram below shows part of the ultrastructure of a cell membrane - Leaving Cert Biology - Question 3 - 2017
Step 1
Name the molecules labelled A and B.
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Answer
A = Protein
B = Lipid or phospholipid or fatty acid
Step 2
Molecules can move through cell membranes by various processes. Name two such processes.
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Answer
(i) Osmosis
(ii) Diffusion or Active Transport
Step 3
Suggest a reason why the organelle involved in aerobic respiration is found in different amounts in different cells.
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Answer
(Cells) need different amounts of energy.
Step 4
What term is used to describe organisms whose cells contain a nucleus?
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Answer
Eukaryotes (eukaryotic)
Step 5
What term is used to describe organisms that do not have nuclei?
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Answer
Prokaryotes (prokaryotic) or bacteria (or Monera)
Step 6
Name an organelle other than the nucleus which contains genetic material.
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Answer
Mitochondrion or chloroplast
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