1 (a) Figure 1 shows an animal cell.
(i) Which part of the cell is labelled Y?
- A cell wall
- B cell membrane
- C nucleus
- D cytoplasm
(ii) Which structures a... show full transcript
Worked Solution & Example Answer:1 (a) Figure 1 shows an animal cell - Edexcel - GCSE Biology - Question 1 - 2023 - Paper 1
Step 1
Which part of the cell is labelled Y?
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Answer
The part of the cell labelled Y is the cell membrane. The cell membrane surrounds the cell and controls the movement of substances in and out of the cell.
Step 2
Which structures are found in the part labelled Z?
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Answer
The structures found in the part labelled Z include mitochondria. Mitochondria are often referred to as the powerhouse of the cell, as they are responsible for producing energy.
Step 3
Name the part of an animal cell where respiration occurs.
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Answer
The part of an animal cell where respiration occurs is the mitochondria. Mitochondria are essential for aerobic respiration, where glucose and oxygen are converted into energy.
Step 4
Give one advantage of using a microscope to look at cells.
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Answer
One advantage of using a microscope to look at cells is that cells appear magnified, allowing for clearer observation of structural details that are not visible to the naked eye.
Step 5
Draw one straight line from each part of the microscope to its function.
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Answer
Eyepiece -> To look through to see the cells
Stage -> To place a slide on.
Step 6
Give the name of the smallest unit shown in Figure 3.
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Answer
The smallest unit shown in Figure 3 is the picometre.
