Exposure to gamma radiation leads to severe damage to DNA.  The bacterium Deinococcus radiodurans is able to survive exposure to levels of gamma radiation that would kill any other known organism.  This organism is able to survive because

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_______?

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#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.

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#Question id: 24432

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is oligomycin sensitive part of ATP Synthase

TLS Online TPP Program

#Question id: 24433

#Unit 1. Molecules and their Interaction Relevant to Biology

Mitochondrial F1 has nine subunits of five different types, with the composition

TLS Online TPP Program

#Question id: 24434

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct order of proton-driven rotation of the c ring