Which of the following describes the mechanical advantage of a machine?

a. the number of times that a machine multiplies the effort force

b. the number of times a machine multiplies the resistance force

c. the number of times a machine reduces the resistance force

d. the number of times a machine reduces the effort force

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