TLS Online TPP Program

#Question id: 4152


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.

#SCPH01 Biochemistry
  1. 1, 2, 3, 4

  2. 1, 2, 4, 3

  3. 2, 1, 4, 3

  4. 2, 3, 1, 4

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TLS Online TPP Program

#Question id: 422

#SCPH05 I Biotechnology

The flow of material through a reaction pathway usually depends on ________.

TLS Online TPP Program

#Question id: 422

#SCPH28 | Zoology

The flow of material through a reaction pathway usually depends on ________.

TLS Online TPP Program

#Question id: 423

#SCPH01 Biochemistry

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

TLS Online TPP Program

#Question id: 423

#I Life Science/ Life Sciences Group – I-V

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

TLS Online TPP Program

#Question id: 423

#SCPH05 I Biotechnology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

TLS Online TPP Program

#Question id: 423

#SCPH28 | Zoology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.