Aman is heterozygous for sickle cell anemia and homozygous dominant for familial hypercholesterolemia. knowing that these genes are located on different chromosomes and using the information below, predict his possible sperm. sickle cell anemia a=normal hemoglobin a=abnormal hemoglobin (sickle cell) b=familial hypercholesterolemia (abnormal ldl protein receptor) b=normal ldl protein receptor)

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