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: 23639

#General Aptitude

There are three pillars X, Y and Z of different heights. There spiders A, B and C start of climb on these pillars simultaneously. In one chance A climbs on X by 5 cm but slips down 1 cm. B climbs on Y 6 cm but slips down 3 cm. C climbs on Z 7 cm but slips down 2 cm. If they each requires 50 chances to reach the top of the pillar, what is the height of the shortest pillar?

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#Question id: 10672

#Unit 10. Ecological Principles

Which of the following is incorrect match of protective strategy done by organism?

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#Question id: 23747

#General Aptitude

A boy is sitting on the back seat of a car. when the driver suddenly starts the car, the boy experiences a backward force-

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#Question id: 11969

#Unit 7. System Physiology – Animal

What is the importance of the mucus that are released by salivary glands?

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#Question id: 4390

#Unit 3. Fundamental Processes

Epigenetics marks refer to modifications to DNA and proteins that in turn regulate gene expression. Which statement is true regarding these specific types of modifications?