Plasma junctions are impermeable junctions that join the lateral edges of epithe
ID: 208984 • Letter: P
Question
Plasma junctions are impermeable junctions that join the lateral edges of epithelial cells near their luminal borders. O True O False QUESTION 9 In addition to the gradient, electrical charge affects the movement of ions across plasma mambranes. O True O False QUESTION 10 Phagocytosis refers to the net diffusion of water doun its concentration gradient through a selectively permeable membrane. O True O False QUESTION 11 If a substance can cross a membrane, the membrane is impemeable to that substance. O True O False QUESTION 12 The ereater the lipid solubilit of a substance. the slower the substance can dimise through the membrane's lipid bilaver do in its concentration gradient. O True O False QUESTION 13 In secondary active transport, enery is used directly in the entire process. O True False QUESTION 14 Within physiology, structure and function are inseparable. O True FalseExplanation / Answer
8. True. In this way they prevent the movement of materials between the cells.
9. True. This is because like charges repel each other and unlike charges attract each other.
10. False.
11. False. If a substance can cross a membrane, the membrane is permeable to that substance.
12. False. It is vice-versa.