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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: 666

#Unit 1. Molecules and their Interaction Relevant to Biology

Nearly all peptide bonds are in the trans configuration because
TLS Online TPP Program

#Question id: 4634

#Unit 11. Evolution and Behavior

Which of the following represents an idea that Darwin learned from the writings of Thomas Malthus?
TLS Online TPP Program

#Question id: 3985

#Unit 3. Fundamental Processes

The binding of CRP (cAMP receptor protein of E. coli) to DNA in the lac operon:
TLS Online TPP Program

#Question id: 5233

#Unit 11. Evolution and Behavior

The most important feature that permits a gene to act as a molecular clock is ________.
TLS Online TPP Program

#Question id: 31304

#Unit 5. Developmental Biology

Hensen’s node is functionally equivalent to the which of the following structure of amphibian?