In which of these examples does chemical energy change to electrical energy? a-digesting food b-photosynthesis c- respiration d- using battery

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).