Okay..at least help me with this? chemistry is hard ;-;

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.