Diffusion does not require the cell to expend ATP. Therefore, diffusion is considered a type of A)passive transport. B)active transport. C)endocytosis. D)exocytosis.

Which of the following is an example of a positive feedback mechanism? A. labor contractions B. temperature regulation C. blood glucose regulation D. all of the above are examples of positive feedback

When does the net flux of dissolved molecules stop? a) When the concentration of dissolved molecules is equal on both sides b) When the amount of water is equal on both sides c) Never d) When the dissolved molecules are all on one side

What is the basis of a metallic bond? A) the attraction of metal ions to mobile electrons B) the neutralization of protons by electrons C) the attraction between neutral metal atoms

What does HIPAA stand for? What is its purpose? How do HIPAA laws help protect the privacy and security of patient information?