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TLS Online TPP Program

#Question id: 676

What would you expect about the formation of an α-helix for a segment of a protein chain that contains lysine approximately every fourth residue with all other residues being mostly hydrophobic?

#1. Molecules and their Interaction Relevant to Biology

  1. Helix formation would be favored at low pH.

  2. Helix formation would be favored at high pH.

  3. Helix formation would never occur regardless of pH.

  4. Helix formation would be favored at neutral pH.

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TLS Online TPP Program

#Question id: 10982

#7. System Physiology – Animal

If the S-A node discharges at 0.00 seconds, when will the action potential normally arrive at the epicardial surface at the base of the left ventricle?
TLS Online TPP Program

#Question id: 10581

#10. Ecological Principles

Life-history characteristics associated with K-selected organisms include
TLS Online TPP Program

#Question id: 3002

#2. Cellular Organization

Cells are most sensitive to penicillin during which phase of the growth curve?
TLS Online TPP Program

#Question id: 14853

#13. Methods in Biology

If the sum of the mean and the variance of a Binomial distribution for 18 trials is 10, find the distribution
TLS Online TPP Program

#Question id: 552

#1. Molecules and their Interaction Relevant to Biology

Which of the following is true of the binding energy derived from enzyme-substrate interactions?