Rebekah is studying a molecule and trying to determine if it is DNA or RNA. Which kind of molecule is she studying?
carbohydrate
protein
nucleic acid
lipid

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

All of the following are part of the biosphere except

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.