TLS Online TPP Program

#Question id: 2092


Peripheral membrane proteins

#Unit 2. Cellular Organization
  1. contain many hydrophobic amino acid residues.

  2. contain membrane spanning domains.

  3. have covalently attached lipid or fatty acid anchors.

  4. may noncovalently interact with phospholipid heads.

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TLS Online TPP Program

#Question id: 11186

#Unit 7. System Physiology – Animal

Refer to the following graph of an action potential to answer the question. The membrane potential is closest to the equilibrium potential for potassium at label ________.

TLS Online TPP Program

#Question id: 11186

#Unit 1. Molecules and their Interaction Relevant to Biology

Refer to the following graph of an action potential to answer the question. The membrane potential is closest to the equilibrium potential for potassium at label ________.

TLS Online TPP Program

#Question id: 11187

#Unit 7. System Physiology – Animal

Refer to the following graph of an action potential to answer the question.



The membrane's permeability to sodium ions is greatest at label ________.

TLS Online TPP Program

#Question id: 11188

#Unit 7. System Physiology – Animal

Refer to the following graph of an action potential to answer the question.

The minimum graded depolarization needed to operate the voltage-gated sodium and potassium channels is indicated by the label ________.

TLS Online TPP Program

#Question id: 11189

#Unit 7. System Physiology – Animal

Refer to the following graph of an action potential to answer the question.

At label ________, the cell is not hyperpolarized; however, repolarization is in progress, as the sodium channels are inactivated or becoming inactivated, and many potassium channels have opened.

TLS Online TPP Program

#Question id: 11190

#Unit 7. System Physiology – Animal

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the ________.