The movement of a substance from an area of high concentration to an area of less concentration is called

Which of the following is a carbohydrate?

Which transport process requires a carrier molecule but does not use cellular energy?

Chemical reactions with the property of being able to proceed from reactants to products and from products to reactants are called

Nucleoli

The presence of water in our bodies allows us to

Directional terms are important in the study of anatomy. What does “A” represent?

The sodium-potassium pump located in the plasma membrane

Which of the following statements concerning membrane transport across the plasma membrane is true?

The hydrogen and oxygen atoms in a molecule of water are held together by