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.

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#Question id: 21241

#7. System Physiology – Animal

A 45-year-old female who had never needed to wear glasses experienced difficulty reading a menu in a dimly-lit restaurant. She then recalled that as of late she needed to have the newspaper closer to her eyes in order to read it. A friend recommended she purchase reading glasses. Visual accommodation involves

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#Question id: 5230

#11. Evolution and Behavior

Homeotic genes

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#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?

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#Question id: 11448

#7. System Physiology – Animal

Artificial electrical stimulation of a human's capsaicin-sensitive neurons would likely produce the sensation of ________.

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#Question id: 24000

#Aptitude

If a poor student is unable to deposit his monthly fees in time, what will you do in this condition?