I need help red is carbohydrates
orange is lipids
blue is proteins

green is nucleic acids

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic