The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from the outside to the inside of the cell via which of the following?

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 _____.

One characteristic of life and living systems is that they are able to adapt. In general, cells interact with other cells and their environment through the action of their _____.

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?

Integrins are integral membrane proteins. They are often attached to _____.

How might a change of one amino acid at a site, distant from the active site of an enzyme, alter an enzyme’s substrate specificity?

List 2 reasons why estuaries are important.  Be specific.

The proteins of the electron transport chain active in the light-dependent reactions _____.

How many oxygen molecules (O2) are required each time a molecule of glucose (C6H12O6) is completely oxidized to carbon dioxide and water via aerobic respiration?

Which of the following is NOT found in a prokaryote?