Which of the following is not a function of a protein? A. Long term energy storage B.Repair body tissues C.Allows metabolic reactions to take place D.They catalyze reactions

An Enzyme..     A. Becomes part of the final products B. Is consumed by the reaction C. Is nonspecfic for substrate D. is heat & pH sensitive

What is the active site of an enzyme?   A. Specific molecule that acts as the reactant in an enzyme-mediated reaction   B. An ion or nonprotein organic molecule that associates with an enzyme and is necessary for its function   C. The part of an enzyme where substrates bind and a reaction occurs   D. A specific ion or molecule that binds to an enzyme to enhance or inhibit its activity

ATP is high-energy storage molecule in part because: A. Its hydrolysis results in separation of like charges. B. The hydrolysis reaction has a high activation energy.C. Its ribose is oxidized during the process, which is exergonic.D. It is very soluble.

A(n) ________ speeds up a reaction, while largely remaining unchanged itself.   a. amino acid   b. protein   c. enzyme

A chemical reaction is more likely to occur spontaneously if A. the products of the reaction are more complex than the reactants. B. the system takes up heat from its surroundings. C. the products of the reaction are more disordered than the reactants. D. the system gains free energy.

Explain how enzymes changes to the structure of enzymes involved in cellular respiration affected their ability to unction. （Your answer should include a discussion of changes to the molecular structure of the enzyme(s), competitive/noncompetitive inhibitors.

the loss of electrons by one atom or molecule to another a. oxidation b. reduction c. catalysis d. synthesis e. degradation

Which of the following terms do NOT apply to an enzyme? A. Inorganic B. Catalyst C. Protein D. All of the above

What roles do enzymes play in nature? Group of answer choices A.They have a role in metabolic reactions B. They increase rates of reaction but do not shift the equilibrium formed between products and reactants C. They catalyze cellular processes D. All of the above