| Front | how are fungal cells different to plant cells? |
| Back | -cell walls are made of chitin not cellulose -don't have chloroplasts as don't photosynthesie |
| Tags | 2-cells |
| Front | comapre the nervous and hormonal systems |
| Back | -NERVOUS- - communication by nerve impulses by neurones -rapid transmission and travels to specific parts of the body -is a localised response, rapid and short lived -the effect is temporary and reversible -HORMONAL- - communication by hormones - transmitted through the blood- slow transmission -travels to all parts of the body but only the target cells respond - the response is widespread, slow and long lasting |
| Tags | 6-response-to-changes-in-environment |
| Front | what is the action potnetial? |
| Back | -when stimuli is detected- the energy changes cause a temporary reversal of the charges either side of part of the axon membrne - causes the -70mV to become +40mV -is action potential- in this condition- this part of axon membrane is known to be depolarised - the depolarisation occurs as the channels in axon membrane change shape- they open and close depending on the voltage across the membrane - are voltage gated channels |
| Tags | 6-response-to-changes-in-environment |