Question 17 of 25 What are the functions of proteins in the cell membrane? Select the correct response(s): ✔They serve as binding site for ligands that affect the fluidity of the cell. They serve to transport hydrophilic substances across the cell mebrane. They serve as binding site for ligands that affect the mobility of the cell. They serve to transport amphipilic substances across the cell mebrane. They serve as binding site for ligands that affect the physiologic activity of the cell. They serve to transport hygroscopic substances across the cell mebrane. They serve to transport hydrophobic substances across the cell mebrane. They serve as binding site for ligands that affect the physiologic pH of the cell.

Question 9. When the rate of loss of actin subunits from the pointed end of an actin filament is balanced by the rate of their addition to the barbed end what is this state called?

QUESTION 10 Which of the following statements is false concerning the motor protein families of kinesins and dyneins? Kinesins and dyneins A OG OD. have tails that bind to the actin filaments move along microtubules, actin filaments, and intermediate filaments derive their energy strictly from GTP hydrolysis All of the above

QUESTION 24 The arrows, in the figure below, are depicting Membrane D Compartment A Compartment B Compartment C Membrane E endocytosis transcellular movement primary active transport O paracellular movement