Cellular Metabolism
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Questions and Answers

Which of the following describes catabolism?

  • Degradation of complex molecules (correct)
  • Storage of energy
  • Capture of energy
  • Synthesis of complex molecules

What is the primary role of ATP in the cell?

  • Genetic information storage
  • Waste removal
  • Energy storage and transfer (correct)
  • Structural support

Which of these processes produces glucose from carbon dioxide and water using light energy?

  • Photosynthesis (correct)
  • Cellular respiration
  • Fermentation
  • Krebs Cycle

Where does the Krebs cycle occur within a cell?

<p>Mitochondrial matrix (D)</p> Signup and view all the answers

What is the final stage of cellular energy metabolism called?

<p>Oxidative Phosphorylation (B)</p> Signup and view all the answers

Which process occurs when oxygen is absent and does not involve oxidative phosphorylation?

<p>Fermentation (D)</p> Signup and view all the answers

What is produced during alcoholic fermentation?

<p>Alcohol (C)</p> Signup and view all the answers

In which part of the cell does glycolysis take place?

<p>Cytoplasm (B)</p> Signup and view all the answers

What molecule is known as the energetic fuel of cells?

<p>Glucose ($C_6H_{12}O_6$) (D)</p> Signup and view all the answers

What is formed when adenine joins to a ribose?

<p>Adenosine (D)</p> Signup and view all the answers

Flashcards

Metabolism

The set of chemical reactions that produce energy for living beings' vital functions.

Catabolism

Chemical reactions that break down complex molecules into simpler ones, releasing energy.

Anabolism

Chemical reactions that build complex molecules from simpler ones, requiring energy.

ATP (Adenosine Triphosphate)

A molecule that captures and stores energy in the form of chemical bonds, readily available for cellular processes.

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Photosynthesis

The process of synthesizing glucose from carbon dioxide and water using light energy.

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Cellular Respiration

The process of breaking down glucose to obtain energy.

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Aerobic Respiration

Cellular respiration in the presence of oxygen.

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Anaerobic Respiration

Cellular respiration without oxygen.

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Krebs Cycle

A cyclic series of reactions occurring in the mitochondrial matrix, oxidizing acetyl-CoA and producing CO2, ATP, NADH, and FADH2.

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Oxidative Phosphorylation

The final stage of cellular respiration, where energy from NADH and FADH2 is used to produce ATP.

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