Which of the following is a function of gap junction? A) to adhere cells to one

Question

Which of the following is a function of gap junction? A) to adhere cells to one another through cadherin proteins B) to allow the passage of ions between cells C) to prevent the lateral diffusion of protein and lipds D) to adhere cells to the basal lamina Loss of intermediate filaments will results in which of the following A) Weakening of the axons of neurons C) Epidermolysis bullosa D) All of the above The transmembrane integrin proteins can be found in which of the following types of ad A) tight junctions B) adherens junctions C) hemidesmosomes D) desmosomes Which of the following is not true of the basal lamina? A) It is the structure upon which epithelial cells rest B) It contains osteoblasts C) Its composed of collagen and lamimn D) Epithelial cells attach to it through the hemidesomosomes The lamellipodia consists of a network of cross-linked actin filaments The Arp2/3 complex promotes actin nucleation Actin-myosin contraction is dependent on ATP hy

Explanation / Answer

17. Gap junction allows the passage of ions between the cells.

19. adherens junction.

20. Wrong - It does not contain osteoblasts.

B. 1. False. (lamellipodia consists of linear actin filaments)

2. True

3. True.

4. False. Bending of the cilium depend on dynein protein.

5. False. Focal adhesion consists of integrins, not cadherins.

6. False. The intestine is lined by simple columnar epithelium.

8. False. Heparan sulfate is a proteoglycan.

9. False. Actin filament remains constant in length.

11. False. Depend on ATP.

12. True

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.