3. Energy & Cell Processes

When 1 mole of ATP is hydrolyzed in a test tube without an enzyme, about twice as much heat is given off as when 1 mole of ATP is hydrolyzed in a cell. Which of the following best explains these observations?

In general, the hydrolysis of ATP drives cellular work by __________.

What is the role of ATP in muscle contraction?

In the sliding filament theory, what part of a myosin molecule does ATP bind to?

Which of ATP's phosphate bonds is hydrolyzed in most cellular reactions?

Which of the following particles can pass through the ATP synthase channel?

Which of the following statements describes the role of ATP in animal cells?

Much of the suitability of ATP as an energy intermediary is related to the instability of the bonds between the phosphate groups. These bonds are unstable because __________.

What is ATP's importance in the cell?

Which of the following best characterizes the role of ATP in cellular metabolism?