Which molecule is the true energy currency produced by cellular respiration?

Study for the North Carolina Grade 8 End-of-Grade Science Test. Prepare with multiple choice questions, each question has hints and explanations. Ace your exam!

Multiple Choice

Which molecule is the true energy currency produced by cellular respiration?

Explanation:
The energy currency produced by cellular respiration is ATP because it stores energy in a form that cells can readily use to power work, such as muscle contraction, active transport, and chemical reactions. During respiration, glucose’s energy is captured by transferring it to high-energy phosphate bonds to form ATP. Electron carriers like NADH and FADH2 shuttle energy to the electron transport chain, which uses that energy to drive the production of ATP from ADP and phosphate. ADP is the lower-energy form that gets charged back up to ATP, while glucose is the fuel that supplies the energy, and NADH is a carrier that helps deliver that energy. ATP is the immediate usable energy molecule your cells rely on.

The energy currency produced by cellular respiration is ATP because it stores energy in a form that cells can readily use to power work, such as muscle contraction, active transport, and chemical reactions. During respiration, glucose’s energy is captured by transferring it to high-energy phosphate bonds to form ATP. Electron carriers like NADH and FADH2 shuttle energy to the electron transport chain, which uses that energy to drive the production of ATP from ADP and phosphate. ADP is the lower-energy form that gets charged back up to ATP, while glucose is the fuel that supplies the energy, and NADH is a carrier that helps deliver that energy. ATP is the immediate usable energy molecule your cells rely on.

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