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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?

#SCPH06 I Botany

  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: 3680

#SCPH06 I Botany

If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?
TLS Online TPP Program

#Question id: 18650

#SCPH06 I Botany

In a gel filtration column
TLS Online TPP Program

#Question id: 2314

#SCPH06 I Botany

Mitochondria are inherited from.
TLS Online TPP Program

#Question id: 10979

#SCPH28 | Zoology

Which of the following conditions at the A-V node will cause a decrease in heart rate?
TLS Online TPP Program

#Question id: 16496

#SCPH06 I Botany

Neomycin phosphotransferase  gene is used as a selectable marker. It provides resistence against which antibiotic ?