The usefulness of microvilli to cells that have them is a. to aid in their locomotion b. to concentrate food particles c. for intracellular trafficking of molecules d. to increase their surface area e. none of the above

What substance acts to prevent sudden ph changes in bodily fluids?

Try to answer all questions if possible i will take anything this is worth 21 ! ! 1. what rights do citizen's have in a monarchy? 2. what countries practice monarchy? 3. what is one advantage of a monarchy? 4. what is one disadvantage of a monarchy? 5. what rights do citizen's have in a dictatorship? 6. what countries practice dictatorship? 7. what is one advantage of dictatorship? 8. what is one disadvantage of dictatorship?

As water is cooled from 4 to 0, its density