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: 24167

#Aptitude

It weighs less than three pounds and is hardly more interesting to look at than an overly ripe cauliflower. ___________________________. It has created poetry and music, planned and executed horrific wars, and devised intricate scientific theories. It thinks and dreams, plots and schemes, and easily holds more information than all the libraries on Earth.

TLS Online TPP Program

#Question id: 9252

#9. Diversity of Life Forms

Which of these environmental factor(s) is/are the key determining factor(s) that control(s) the biotic structure of aquatic biomes?

TLS Online TPP Program

#Question id: 11978

#10. Ecological Principles

Which of the following statements about the ocean pelagic biome is true?

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#Question id: 10569

#6. System Physiology – Plant

Plants that grow in saline environments, called

TLS Online TPP Program

#Question id: 9279

#6. System Physiology – Plant

During the normal functioning of the photosynthetic system, the chemical reactions in which water is oxidized to oxygen, NADP+ is reduced to NADPH, and ATP is formed almost all the reactions up to NADP+ reduction take place in