Year 9 Homework
Print the slides and answer the questions
Due date:
2.
3
4
or
or
5
6
7
The diagram shows a group of muscle cells from the wall of the intestine.
(a) Use words from the box to name the structures labelled A, B and C. (3)
cell membrane
cell wall
chloroplast
cytoplasm
nucleus
(b) How are these muscle cells adapted to release a lot of energy?
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8
The drawing shows an animal cell, seen at a very high magnification using an
electron microscope.
• Label a mitochondrion
[plural = mitochondria].
• What happens in the
mitochondria?
• Name and label the
structure where you would
find chromosomes.
• What are chromosomes
made of?