Exam 4: Energy and Metabolism

Answer the questions by matching each word or groups of words with its appropriate question number. a.active site b.adenosine triphosphate c.electron transfer chain d.denaturation e.feedback inhibition f.phosphorylation g.enzyme h.cofactor -an excess of end-product molecules shuts down a metabolic pathway

Which of the following statements is NOT related to the first law of thermodynamics?

What does a phosphate group transfer from ATP do to active transport pumps?

An enzyme's specificity is based on

Which of the following can affect enzyme activity?

Alcohol dehydrogenase converts ethanol to

Which of the following is NOT true about enzymatic regulatory molecules?

An orderly sequence of reactions with specific enzyme-mediated reactions occurring at each step is the definition of

Four of the five answers listed below are intimately related to enzyme properties.Which of the following is least related?

Answer the questions by matching each word or groups of words with its appropriate question number. a.active site b.adenosine triphosphate c.electron transfer chain d.denaturation e.feedback inhibition f.phosphorylation g.enzyme h.cofactor -lowers the activation energy of a reaction

Metabolism involves

Four of the five statements listed below are related to the second law of thermodynamics.Select the EXCEPTION.

What is the role of pepsin?

Which of the following is NOT true about overactive alcohol dehydrogenase (ADH)?

Which statement is TRUE?

Which of the following statements is INCORRECT?

Which of the following is TRUE about energy releasing chemical reactions?

ATP is called the "energy currency" of the cell because it

A metabolic reaction will most likely reverse itself under which of the following circumstances?

The minimum amount of energy needed to get a chemical reaction started is called the ___ energy.