When scientist study populations they examine the presence of alleles within the population. scientist can then use the allele frequencies to determine if the population is in equilibrium. you learned 2 equations: allele frequency p + q = 1 hardy weinberg equilibrium p2 + 2pq + q2 = 1 what does the information in each formula mean?

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