Strigolactones are transported out of sites of synthesis via plasma membrane and have been shown to move in the xylem from root to shoot by which transporter?

#Question id: 408

#1. Molecules and their Interaction Relevant to Biology

Which of the following compounds has the largest negative value for the standard free-energy change (DG'°) upon hydrolysis?

#Question id: 410

#1. Molecules and their Interaction Relevant to Biology

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?

#Question id: 411

#1. Molecules and their Interaction Relevant to Biology

The reaction ATP -> ADP + Pi is an example of a reaction.

#Question id: 412

#1. Molecules and their Interaction Relevant to Biology

All of the following contribute to the large, negative, free-energy change upon hydrolysis of “high-energy” compounds except:

#Question id: 413

#1. Molecules and their Interaction Relevant to Biology

The hydrolysis of ATP has a large negative DG'°; nevertheless it is stable in solution due to:

#Question id: 414

#1. Molecules and their Interaction Relevant to Biology

The hydrolysis of phosphoenolpyruvate proceeds with a DG'° of about –62 kJ/mol. The greatest contributing factors to this reaction are the destabilization of the reactants by electostatic repulsion and stabilization of the product pyruvate by: