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Unit 1 Biology
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- Unit 1 Biology
- Institution
- PEARSON (PEARSON)
It has a table of cells.
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Unit 1 Biology Applied Science Level 2Plant cell structure What is it What is its function?
Cell Wall Outer protective membrane Provides structure, support
and protection for the cell
Chloroplast A plastid which contains Synthesis food for
chlorophyll and is present in photosynthesis.
photosynthesis.
Vacuole A space with cytoplasm in Helps maintain water
the cell enclosed by a balance
membrane which contains
fluid
tonoplast A membrane that bounds Transport many ions and
vacuoles and separates them other materials
from cytoplasm
Amyloplast Colorless plastid that forms Starch is made from glucose
and stores starch and stored until the plant
needs it
Plasmodesmata Narrow thread of cytoplasm Allows small molecules to
that passes through cell move freely between two
walls. cells.
Pits Thin proportions of the cell Allow flow of water and
wall that communicate or nutrients from one element
exchange fluid through to the other to link.
Golgi apparatus Helps process and package Implicated in the secretory
proteins and lipid molecules. pathway.
Mitochondria Powerhouse of the cell. It Produces energy, stores
helps turn energy from food calcium and heat production
into energy we can use.
Nucleus Controls and regulates Carries genes
activities of the cell.
Cell membrane Found in all cells and Keep toxic substances out of
separates the interior of the the cell.
cell from the outside
environment.
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