Multiple Choice
Which of the following organisms that perform cellular respiration would be most appropriate to include in an aquaponics system to help maintain nutrient cycling?
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8. Respiration
Introduction to Cellular Respiration
Multiple Choice
Which of the following statements correctly describes cellular respiration?
A
It is the synthesis of glucose from carbon dioxide and water.
B
It is the process by which cells convert glucose and oxygen into ATP, carbon dioxide, and water.
C
It is the breakdown of glucose in the absence of oxygen to produce lactic acid.
D
It is the process by which plants convert sunlight into chemical energy.
Verified step by step guidance1
Step 1: Begin by understanding the concept of cellular respiration. Cellular respiration is a metabolic process that occurs in cells to convert biochemical energy from nutrients, primarily glucose, into adenosine triphosphate (ATP), which is the energy currency of the cell.
Step 2: Recognize the key inputs and outputs of cellular respiration. The process requires glucose (C₆H₁₂O₆) and oxygen (O₂) as inputs, and produces ATP, carbon dioxide (CO₂), and water (H₂O) as outputs.
Step 3: Compare the given statements to the definition of cellular respiration. Eliminate options that describe other processes, such as photosynthesis (conversion of sunlight into chemical energy) or anaerobic respiration (breakdown of glucose without oxygen).
Step 4: Focus on the statement that matches the definition of cellular respiration. The correct description is: 'It is the process by which cells convert glucose and oxygen into ATP, carbon dioxide, and water.'
Step 5: Confirm your understanding by recalling the stages of cellular respiration: glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation, which collectively produce ATP and other byproducts like CO₂ and H₂O.
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