If the following objects are placed into a large beaker of water (density 1.000 g/mL) how would they be positioned? DRAW a picture and briefly explain why you placed them where you did. Object

A- styrofoam (D = .05 g/cm3)
Object B- ice (D = .92 g/cm3)
Object C- bone (D = 1.70 g/cm3
Object D- balsa wood (D = 0.16 g/cm3)
Object E- Gold (D = 19.32 g/cm3)

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