Which of the following conditions occurs as a solid melts? 1. kinetic energy of the molecules exceeds the strength of the intermolecular forces. 2. kinetic energy of the molecules equals the strength of the intermolecular forces. 3. strengths of the intermolecular forces of the molecules exceed the kinetic energy.

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides