Cellular Respiration: The Engine of Life
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Questions and Answers

______ respiration is the process by which cells extract energy from organic molecules to produce ATP

Cellular

Cellular respiration occurs within the ______ of eukaryotic cells and the cytoplasm of prokaryotic cells

mitochondria

Glycolysis is the initial step of cellular respiration and takes place in the ______

cytoplasm

Pyruvate produced in glycolysis is transported into the ______ in eukaryotic cells

<p>mitochondrial matrix</p> Signup and view all the answers

The citric acid cycle occurs in the ______ and completes the oxidation of glucose

<p>mitochondrial matrix</p> Signup and view all the answers

The citric acid cycle generates three molecules of NADH, one molecule of FADH2, and one molecule of ATP per cycle, along with two molecules of ______.

<p>carbon dioxide</p> Signup and view all the answers

Oxidative phosphorylation takes place in the inner mitochondrial membrane and consists of two components: the electron transport chain (ETC) and ______.

<p>chemiosmosis</p> Signup and view all the answers

The electron transport chain (ETC) transfers electrons from NADH and FADH2 to ______.

<p>oxygen</p> Signup and view all the answers

Chemiosmosis utilizes the proton gradient to drive ATP synthesis via ATP synthase, resulting in the production of the majority of ATP in ______ respiration.

<p>cellular</p> Signup and view all the answers

ATP generated through cellular respiration serves as the primary energy source for cellular processes, including biosynthesis, transport, and ______ work.

<p>mechanical</p> Signup and view all the answers

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