| Front | the membrane potential was the same whether medium or heavy was applied to fingertip. explain why |
| Back | threshold has been reachedcauses all or nothing principle |
| Front | difference in structure of starch and cellulose |
| Back | starch formed from alpha-glucose - cellulose from beta-glucoseposition of H and OH groups on carbon 1 atom inverted |
| Front | What is nondisjunction? |
| Back | in meiosis chromosomes not separated all chromosomes stay in 1 cell |