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TLS Online TPP Program

#Question id: 1241

Which of the following is a common step in the opening/closing of ion channels by acetylcholine and rhodopsin binding to their receptors?

#Unit 4. Cell Communication and Cell Signaling

  1. The Gα·GTP subunit dissociates from the Gβγ complex.

  2. The released Gα ·GTP subunit interacts with the ion channel.

  3. The released Gβγ complex interacts with the ion channel.

  4. The released Gα ·GTP subunit activates cGMP phosphodiesterase.

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TLS Online TPP Program

#Question id: 3724

#Unit 3. Fundamental Processes

Okazaki fragments are ________.
TLS Online TPP Program

#Question id: 9576

#Unit 10. Ecological Principles

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?
TLS Online TPP Program

#Question id: 31038

#Unit 4. Cell Communication and Cell Signaling

For most, but not all, RTKs, the weakly active kinase in each subunit is thought to phosphorylate a key  residue, known as:
TLS Online TPP Program

#Question id: 11005

#Unit 7. System Physiology – Animal

Which of the following phases of the cardiac cycle follows immediately after the beginning of the QRS wave?
TLS Online TPP Program

#Question id: 1694

#Unit 4. Cell Communication and Cell Signaling

Antigen processing for presentation by MHC class II molecules involves: