Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 2121
TLS Online TPP Program

#Question id: 2146

In one catalytic cycle, the Na+/K+ ATPase transporter transports:

#Unit 2. Cellular Organization

  1. 2 Na+ out, 3 K+ in, and converts 1 ATP to ADP + Pi.

  2. 3 Na+ out, 2 K+ in, and converts 1 ATP to ADP + Pi. 

  3. 3 Na+ in, 2 K+ out, and converts 1 ATP to ADP + Pi.

  4. 1 Na+ out, 1 K+ in, and converts 1 ATP to ADP + Pi.

More Questions
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: