TLS Online TPP Program

#Question id: 936


At neutral pH, the main ionic form of ammonia is ________.

#I Life Science/ Life Sciences Group – I-V
  1. N2

  2. NH4+

  3. NH3

  4. NH2-

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TLS Online TPP Program

#Question id: 4152

#SCPH28 | Zoology

The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?

1.  A chaperone, SecA, binds to the polypeptide.

2.  A chaperone, SecB, binds to the polypeptide.

3.  ATP is hydrolyzed by Sec A.

4.  SecA pushes 20 amino acids of the polypeptide into the translocation complex.

TLS Online TPP Program

#Question id: 4153

#SCPH01 Biochemistry

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4153

#SCPH05 I Biotechnology

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4153

#SCPH06 I Botany

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4153

#SCPH28 | Zoology

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4154

#SCPH01 Biochemistry

How many possible codons (of normal size) are possible using the bases found in DNA?