B) Molecular weight of a substance does not affect the rate of diffusion. Choose All That Apply: A)Diffusion depends on the intrinsic kinetic energy of molecules. ... A is true but R is false (d) A is false but R is true. B. Diffusion continues until the concentrations are in equilibrium. The movement of the solute is with its concentration gradient The movement requires a carrier protein The movement of the solute is passive The movement of a given solute usually occurs in both directions. Which of the following statements about carrier proteins is FALSE? A. An increase in the substrate concentration (at constant enzyme concentration) leads to proportional increases in the rate of the reaction. C) The greater the concentration of gradient, the faster the rate of diffusion. Which of the following statements about enzyme kinetics is FALSE? d. Diffusion requires no input of energy into the system. (a) There is no expenditure of energy. Choose the correct statement/statements. a. Diffusion is driven by concentration gradients. B. Which of the following statements regarding diffusion is false? (b) Molecules move in Brownian motion. Which of the following statements about diffusion is false? Diffusion is a result of the thermal energy of atoms and molecules. D)Simple diffusion depends upon specific carrier proteins. C. Most enzymes operating in the human body work best at a temperature of 37°C. E. Simple diffusion depends upon specific carrier proteins. C. Facilitated diffusion requires a membrane protein in order to work. In diffusion, molecules move from area of greater concentration to areas of lesser concentration. Choose All That Apply Diffusion depends on the intrinsic kinetic energy of molecules. Which of the following statements about diffusion is false? 3. All of the following are non polar except: A) O2 B) N2 C) CH4 D) NaCl Answer: D, NaCl 44.) The movement of a given solute usually occurs in both directions (into and out of the cell). Pumps in active transport are A. Lipids that bind molecules to pass them through the membrane. Which of the following statements about facilitated diffusion is false? Diffusion continues until the concentrations are in equilibrium. b. Diffusion continues until the molecular concentrations are in equilibrium. 43.) B. Which of the following statements about facilitated diffusion is FALSE? C. In diffusion, molecules move from areas of greater concentration to areas of lesser concentration. c. Diffusion occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated. Diffusion requires no input of energy into the system. 26. Facilitated diffusion moves solutes across a membrane that would not normally let them pass. Answer. Which four Which of the following statements regarding diffusion is false? B)Diffusion continues until the concentrations are in equilibrium. d. Diffusion is a random process. Which of the following statements is correct regarding diffusion? a. Diffusion does not require ATP. D) The rate of diffusion is independent of temperature. c. In diffusion, molecules move from areas of greater concentration to areas of lesser concentration. D. Diffusion is a random process. A. Diffusion depends on random movement of molecules. Which of the following is true about diffusion? A) The lower the temperature, the faster the diffusion rate. Diffusion occurs even after equilibrium is reached and no net change is apparent. Which of the following statements about diffusion is false? b. Diffusion occurs even after equilibrium is reached. Which of the following statements about facilitated diffusion is FALSE Facilitated diffusion does not require an external energy source. Which of the following statements about diffusion is false? 2. - They assist in simple diffusion. C)In diffusion, molecules move from area of greater concentration to areas of lesser concentration. About twenty-five of the ninety-two natural elements are known to be essential to life. The statement about diffusion that is false is 1) Simple diffusion depends upon specific carrier proteins.
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