Histone ________ is not part of the histone octamer, but binds to linker DNA and is responsible for higher-order chromatin structure.

TLS Online TPP Program

#Question id: 1140

#Unit 4. Cell Communication and Cell Signaling

Cell sensitivity to an external signal is determined by:

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: