If a mutation in the DNA resulted in changing a critical amino acid from valine (with -CH3 in side chain) to serine (with -OH in side chain), it will make the new amino acid to be on the _ part of soluble protein inside cytoplasm. A) Interior
B) Exterior
C) Interior and Exterior
D) Neither Interior or Exterior
E) Cannot conclude from this information

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