Use the following information to answer the questions below….

Use the following information to answer the questions below.A series of enzymes catalyze the reaction X  Y  Z  A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme.With respect to the enzyme that converts X to Y, substance A functions as _____.

Actin filaments have polarity. This means that the two ends…

Actin filaments have polarity. This means that the two ends can be identified due to structural differences. The plus end is the end to which subunits are added more rapidly, or the end of polymerization. Which of the following would enable you to identify the plus end of actin filaments?