TLS Online TPP Program
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TLS Online TPP Program
#Question id: 24328
#Unit 4. Cell Communication and Cell Signaling
Tight junctions prevent the diffusion of:
a. Macromolecules
b. Small water-soluble molecules
c. Ions
d. Membrane proteins
e. Glycolipids
Choose the correct set of combinations
TLS Online TPP Program
#Question id: 24329
#Unit 4. Cell Communication and Cell Signaling
_______permit the passage of molecules as large as 1.2 nm in diameter (molecules smaller than 1200 Da).
TLS Online TPP Program
#Question id: 24330
#Unit 4. Cell Communication and Cell Signaling
Ions, low-MW precursors of cellular macromolecules, products of intermediary metabolism, & small intracellular signaling molecules can pass from cell to cell through_______?
TLS Online TPP Program
#Question id: 24331
#Unit 4. Cell Communication and Cell Signaling
Select the CORRECT combination by matching the junctions with their principal CAMs or adhesion receptors.
Junctions |
Principal CAMs or Adhesion receptors |
1. Tight junctions |
a. Integrins |
2. Gap Junctions |
b. Occludin |
3. 3-D adhesions |
c. Connexin |
4. Plasmodesmata |
d. Undefined |
TLS Online TPP Program
#Question id: 24431
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following option is correct regarding the ATP Synthase
1. ATP Synthase Has Two Functional Domains, Fo and F1
2. It Catalyzes the formation of ATP from ADP and Pi, driven by the flow of protons from the P to the N side of the membrane.
3. ATP synthase produces ATP as protons diffuse back through it from the lumen into the stroma.
4. The molecular structure of the mitochondrial ATP synthase has been determined by X-ray crystallography.
TLS Online TPP Program
#Question id: 24432
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following is oligomycin sensitive part of ATP Synthase