Exam 10: Introduction to Metabolism

The reacting molecules in an enzyme-catalyzed reaction are called __________.

A complete enzyme that consists of a protein component and a nonprotein component is called a(n)

Enzymes are usually named based on

In allosteric regulation,effector molecules usually bind

When the amount of enzyme present is held constant,the rate of a reaction will continue to increase as long as the substrate concentration increases.

A reaction that releases energy is __________.

For the reaction A + B $\rightarrow$ C + D,the equilibrium constant (Keq)is defined as

If an enzyme consists of a protein component and a non-protein component,the protein component is referred as the

Isoenzymes are different enzymes that catalyze the same reaction but can be regulated independently of one another.

Enzymes function as catalysts by

In order for the cell to be able to input energy into necessary endergonic reactions,energy-generating processes such as photosynthesis,fermentation,and respiration are used to produce __________.

The __________ __________ is the substrate concentration needed for an enzyme to achieve half maximal velocity.

In thermodynamic studies,energy changes are analyzed in a collection of matter called a __________.All other matter in the universe is called the __________.

Enzymes catalyze a reaction by

Each enzyme normally has specific pH and temperature optima at which they function best.

The most specific term usually used to describe a substance in a biological system that increases the rate of a reaction without being permanently changed by the reaction is a(n)

The most commonly used practical form of energy used in cells is adenosine diphosphate.

Enzymes increase the rate of a reaction by increasing molecular motion,thereby providing kinetic energy to drive the reaction.

The standard reduction potential of a redox reaction is a measure of the tendency of the __________ to __________ electrons.

Which of the following is used as an electron carrier by living organisms?