The exchange of oxygen and carbon dioxide between the body and the air occurs in the lungs. This exchange of gases takes place at the cellular level through passive transport. Predict the effect of this process on homeostasis if carbon dioxide could not diffuse easily across the cell membrane and justify your response. *

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?