Answer:
DNA
Explanation:
maybe... BUT PROBABLY YESS
The answer to this is C because humans don't have cell walls and if you are looking at an onion it has a cell wall because it is a plant.
Because soap is more basic, adding the acidic solution of lemon juice will decrease the pH value and cause it to become more acidic.
A virus is made up of either DNA and or RNA the coat and core is made up of something called a Capsid which is made with protein.