What is the standard free-energy change, ΔG°, under physiological conditions (E. coli grows in the human gut, at 37 °C) for the following reaction? (Keq = 7.8 × 10^2)

Glucose + ATP → glucose 6-phosphate + ADP

TLS Online TPP Program

#Question id: 7702

#XL - S Microbiology

If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?

TLS Online TPP Program

#Question id: 1091

#XL - Q Biochemistry

Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?

TLS Online TPP Program

#Question id: 387

#XL - S Microbiology

For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.

TLS Online TPP Program

#Question id: 1761

#XL - Q Biochemistry

Which of the following statements is TRUE of cytokines?

TLS Online TPP Program

#Question id: 2395

#XL - Q Biochemistry

Which structure is not part of the endomembrane system?