Oxygen is transported across the cell membrane by the process of

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Nicholas Stanley
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1 Oxygen is transported across the cell membrane by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

2 Oxygen is transported across the cell membrane by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

3 Na + ions are transported from the extracellular fluid into the intracellular fluid by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active trasnport

4 Na + ions are transported from the extracellular fluid into the intracellular fluid by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active trasnport

5 Glucose is transported into most body cells by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

6 Glucose is transported into most body cells by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

7 Na + ions are transported from the intracellular fluid out to the extracellular fluid by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active trasnport

8 Na + ions are transported from the intracellular fluid out to the extracellular fluid by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active trasnport

9 Glucose is transported into epithelial cells of the small intestine by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

10 Glucose is transported into epithelial cells of the small intestine by the process of a) Simple diffusion b) Facilitated diffusion c) Diffusion through channels d) Primary active transport e) Secondary active transport

11 Which of the following will not increase the rate of diffusion of a substance across a membrane? a) Increasing the surface area of the membrane b) Increasing membrane thickness c) Increasing the concentration gradient d) Increasing the permeability of the membrane e) Increasing the temperature

12 Which of the following will not increase the rate of diffusion of a substance across a membrane? a) Increasing the surface area of the membrane b) Increasing membrane thickness c) Increasing the concentration gradient d) Increasing the permeability of the membrane e) Increasing the temperature

13 GLUT proteins are involved in the process of a) simple diffusion b) facilitated diffusion c) diffusion through channels d) primary active transport e) secondary active transport

14 GLUT proteins are involved in the process of a) simple diffusion b) facilitated diffusion c) diffusion through channels d) primary active transport e) secondary active transport

15 The SGLT protein is involved in the process of a) simple diffusion b) facilitated diffusion c) diffusion through channels d) primary active transport e) secondary active transport

16 The SGLT protein is involved in the process of a) simple diffusion b) facilitated diffusion c) diffusion through channels d) primary active transport e) secondary active transport

17 Insulin stimulates the process of glucose transport into many cells by via the protein. a) simple diffusion; GLUT4 b) facilitated diffusion; GLUT4 c) facilitated diffusion; SGLT d) secondary active transport; GLUT4 e) secondary active transport; SGLT

18 Insulin stimulates the process of glucose transport into many cells by via the protein. a) simple diffusion; GLUT4 b) facilitated diffusion; GLUT4 c) facilitated diffusion; SGLT d) secondary active transport; GLUT4 e) secondary active transport; SGLT

19 Glucose is absorbed from the lumen into epithelial cells of the small intestine by via the protein. a) simple diffusion; GLUT4 b) facilitated diffusion; GLUT4 c) facilitated diffusion; SGLT d) secondary active transport; GLUT4 e) secondary active transport; SGLT

20 Glucose is absorbed from the lumen into epithelial cells of the small intestine by via the protein. a) simple diffusion; GLUT4 b) facilitated diffusion; GLUT4 c) facilitated diffusion; SGLT d) secondary active transport; GLUT4 e) secondary active transport; SGLT SGLT

The table indicates how changing the variable listed alone will alter diffusion rate.

The table indicates how changing the variable listed alone will alter diffusion rate. Rate of Diffusion (flux) Concentration gradient substance x surface area of membrane x lipid solubility = Distance (thickness of membrane) x molecular weight Table 3-1: Factors Influencing the Rate of