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: 639

#SCPH05 I Biotechnology

Match the coenzymes in column I enzymes to class of enzymes in column II

A. Phosphofructokinase	1. Redox reaction
B. Enolase	2. Phosphoryl shift
C. Phosphoglycerate mutase	3. Dehydration
D. Glyceraldehyde 3 Phosphate dehydrogenase	4. Phosphoryl transfer

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#Question id: 3865

#SCPH05 I Biotechnology

Which of the following statements about E. coli RNA polymerase is false?

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#Question id: 15011

#SCPH01 Biochemistry

Which of the following statements about a lethal allele is NOT correct?

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#Question id: 2740

#SCPH05 I Biotechnology

Escherichia coli use antisense regulation to switch the expression of outer membrane proteins. Antisense _____________.

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#Question id: 9576

#SCPH28 | Zoology

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?