You eat a snack that has 190 Calories, how many kilojoules did you consume? PLEAS HELP ME I need the work too pls

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol