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TLS Online TPP Program

#Question id: 164

The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. be a fully ionized zwitterion with -1 net charge

  2. be found in proteins as D-selenocysteine.

  3. never be found in a protein.

  4. be nonionic.

More Questions
TLS Online TPP Program

#Question id: 19702

#Unit 13. Methods in Biology

What is aVL in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19703

#Unit 13. Methods in Biology

What is aVR in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19704

#Unit 13. Methods in Biology

What is aVF in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19705

#Unit 13. Methods in Biology

Which of the following normally has a slowly depolarizing “prepotential”?
TLS Online TPP Program

#Question id: 19706

#Unit 13. Methods in Biology

In second-degree heart block
TLS Online TPP Program

#Question id: 19707

#Unit 13. Methods in Biology

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential ofventricular muscle fibers?