Which statement about enzymes is true? An enzyme functions to decrease the rate of a chemical reaction. Enzymes are proteins that function as catalysts in nonliving things. Each enzyme can catalyze many different biochemical reactions. Enzymes and substrates fit together like a lock and key.

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?