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TLS Online TPP Program

#Question id: 253


Which is not true of the different conformations of DNA?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Z-DNA is a left-handed spiral.

  2. A-DNA and B-DNA are right-handed spirals.

  3. A-DNA and Z-DNA segments are limited to short regions of DNA.

  4. Both A-DNA and B-DNA are dehydrated.


Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 1323

#Unit 4. Cell Communication and Cell Signaling

Which of the following proteins forms channels that permit electrical communication between cells across gap junctions?

TLS Online TPP Program

#Question id: 1324

#Unit 4. Cell Communication and Cell Signaling

What are the two major proteins that comprise tight junctions?

TLS Online TPP Program

#Question id: 1325

#Unit 4. Cell Communication and Cell Signaling

What is the main purpose of gap junctions?

TLS Online TPP Program

#Question id: 1326

#Unit 4. Cell Communication and Cell Signaling

Which cellular junction will be most useful in preventing the movement of material between cell membranes?

TLS Online TPP Program

#Question id: 1327

#Unit 4. Cell Communication and Cell Signaling

Which of the following cells do not reside in the extracellular matrix?

TLS Online TPP Program

#Question id: 1328

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the odd one out?

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