| Front | What factors affect the rate of diffusion? |
| Back | Factors which affect the rate of diffusion are: the difference in concentrations (concentration gradient)the temperaturethe surface area of the membrane |
| Tags | bio_paper_1 bio_topic_1 |
| Front | Why do viruses need a host cell to reproduce in? |
| Back | Viruses need a host cell to reproduce as they aren't living organisms. |
| Tags | pathogens |
| Front | What is fermentation? |
| Back | Anaerobic respiration in yeast cells is called fermentation and has economic importance in the manufacture of bread and alcoholic drinks. |
| Tags | bio_paper_1 bio_topic_4 |