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TLS Online TPP Program

#Question id: 23591

Inserting DNA into a cloning site within the tetR gene may cause the following

#Unit 13. Methods in Biology
  1. inactivation of the tetR gene.
  2. produce transformants which are sensitive to ampicillin.
  3. produce transformants which are resistant to tetracycline.
  4. All of the above
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TLS Online TPP Program

#Question id: 1141

#Unit 4. Cell Communication and Cell Signaling

If [R] = the free receptor concentration and [L] = the free ligand concentration, Kd is:
TLS Online TPP Program

#Question id: 1142

#Unit 4. Cell Communication and Cell Signaling

Of the components of a heterotrimeric G protein, which subunit(s) is(are) able to activate downstream responses?
TLS Online TPP Program

#Question id: 1143

#Unit 4. Cell Communication and Cell Signaling

In trimeric G proteins, GTP binds to:
TLS Online TPP Program

#Question id: 1144

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT a common intracellular second messenger?
TLS Online TPP Program

#Question id: 1145

#Unit 4. Cell Communication and Cell Signaling

Phospholipase C is activated by:
TLS Online TPP Program

#Question id: 1146

#Unit 4. Cell Communication and Cell Signaling

Which of the following general statement(s) about a G protein–coupled receptor is (are) TRUE?