Cells

4. thin membrane that surrounds every living cell
7. scientific theory stating that all living things are made up of basic units called cells that come from pre-existing cells
8. deoxyribonucleic acid - a chemical molecule that carries genetic information in a cell
9. process in which cells convert sugars and oxygen into energy
12. specialised structures within a cell that perform specific functions
16. process by which green plants use light energy to convert carbon dioxide and water into glucose and oxygen
17. the jelly-like fluid inside a cell that contains organelles
18. control centre of the cell – it is the organelle that contains the DNA

1. a unicellular organism – it has only one cell
2. organelle within the cells of plants that is the site for photosynthesis
3. called the ‘powerhouse of the cell’ they are organelles within cells that produce energy
5. a visual representation of an object
6. the basic unit of life
10. having specific features that allows something to carry out a particular function
11. a self-contained group of tissues that performs a specific function
13. a scientific instrument that magnifies small objects producing enlarged images
14. refers to organisms that have more than one cell
15. groups of cells that have a similar structure and act together to perform a specific function