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A.Y.K pg 17
Structure and function of cells
| Question | Answer |
|---|---|
| Alcohol | product of anaerobic respiration used as an alternative fuel |
| Antibiotic | general name for a substance formed by one micro-organism that inhibits the growth of other micro-organisms |
| Bacteria | unicellular organisms needed for yoghurt-making |
| Carbon Dioxide | gas that makes dough rise during baking |
| Cell Membrane | thin layer that controls entry and exit of materials into and out of a cell |
| Cell Wall | mesh of cellulose fibres that surrounds and supports a plant cell |
| Chloroplast | discus-shaped structure containing chlorophyll for photosynthesis |
| Fermentation | process on which wine- and beer-making depend |
| Lactic Acid | chemical substance produced by bacterial action on lactose |
| Lactose | sugar in milk acted on by yoghurt-forming bacteria |
| Maltose | sugar fron cereal grains used in the brewing of beer |
| Nucleus | spherical structure that controls cellular activities |
| Penicillin | the first antibiotic to be isolated and used to fight disease |
| Resistant | describes a microbe that is niether inhidited nor killed by a certain antibiotic |
| Sensitive | describes a microbe that is inhibited by a certain antibiotic |
| Vacuole | large sac-like structure in a plant cell that regulates the water content of the cell |
| Yeast | unicellular fungus used in baking and brewing |