

The moss cell is a typical green plant cell

cell membrane
- performs the same job as in animal cells
cytoplasm
- contains all the chemicals needed for life
nucleus
- the control centre of the cell
- contains the plant’s genes
cell wall
- an outer layer made from cellulose (the most abundant organic chemical on the planet)
- cellulose makes up fibre in your diet and gives the cell its shape and strength
vacuole
- a large space filled with a watery fluid containing dissolved sugar and salt
chloroplast
- contains a green chemical called chlorophyll which enables photosynthesis – the process by which plants make their food

Questions…
- What is the energy supply needed by photosynthesis?
- What role does fibre play in your diet?
- Apart from fibre & water, what are the three other main components of a balanced diet?
- What two groups of nutrients do you need in tiny amounts in your diet?
- Which of the organelles in a typical plant cell would you not expect to find in a root hair cell?
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