Cellular Respiration Flashcards
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Questions and Answers

What is respiration?

Breathing, or the process by which oxygen is moved in and out of your lungs.

Where does cellular respiration occur?

Inside the cell, specifically in the mitochondria.

In which organelle does cellular respiration occur?

Inside the mitochondria.

What element is required by the mitochondria to produce ATP?

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

What other products are produced during cellular respiration?

<p>Carbon dioxide and water</p> Signup and view all the answers

Rewrite the respiration equation using both symbols and words.

<p>C6H12O6 + 6 O2 &gt; 6 CO2 + 6 H2O + Energy</p> Signup and view all the answers

What do you notice about the equations for cellular respiration and photosynthesis?

<p>What goes in during photosynthesis comes out in cellular respiration and vice versa.</p> Signup and view all the answers

What is fermentation?

<p>How cells get energy if the organisms don’t live somewhere with oxygen.</p> Signup and view all the answers

Which produces more ATP, fermentation or cellular respiration?

<p>Cellular respiration</p> Signup and view all the answers

What is lactic acid and why does it occur?

<p>An acid produced through fermentation when cells lack oxygen.</p> Signup and view all the answers

State the Law of Conservation of Energy.

<p>Energy is never really created nor destroyed; it gets transformed into other forms of energy.</p> Signup and view all the answers

What does the mitochondria do?

<p>Produce energy for the cell.</p> Signup and view all the answers

What do mitochondria require to produce energy?

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

What does the cell membrane do?

<p>It controls what moves in and out of the cells.</p> Signup and view all the answers

What moves into the cell during cellular respiration?

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

What waste products move out of the cell during cellular respiration?

<p>Carbon dioxide and water</p> Signup and view all the answers

What is needed to do work?

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

What is a cell?

<p>The smallest living level of organization.</p> Signup and view all the answers

What is the cell membrane?

<p>A semi-permeable organelle in every cell.</p> Signup and view all the answers

What are mitochondria?

<p>Organelles found in large numbers responsible for energy production.</p> Signup and view all the answers

What is cellular respiration about?

<p>Getting energy from food at the cellular level.</p> Signup and view all the answers

What are the by-products of cellular respiration?

<p>Carbon dioxide and water</p> Signup and view all the answers

By what two processes are water and carbon dioxide removed from the cell?

<p>Water is excreted out, and carbon dioxide is breathed out.</p> Signup and view all the answers

Is cellular respiration and breathing the same thing?

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

What are the reactants for cellular respiration?

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

What are the waste products of cellular respiration?

<p>Carbon dioxide and water</p> Signup and view all the answers

What are the ways a cell can produce energy via cellular respiration?

<p>Aerobic respiration and anaerobic respiration.</p> Signup and view all the answers

Which respiration is more efficient?

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

What does your body switch to when there is not enough oxygen to support your exercise?

<p>Anaerobic respiration (lactic acid fermentation)</p> Signup and view all the answers

Respiration is best described as a process by which?

<p>Oxygen and glucose are used to make a form of energy.</p> Signup and view all the answers

The breakdown of food is called?

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

Glucose and oxygen are transported to cells by the?

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

The reaction that converts the food and oxygen into energy is called?

<p>Cellular respiration</p> Signup and view all the answers

Cellular respiration takes place in the cell's?

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

Study Notes

Cellular Respiration Overview

  • Respiration involves the inhalation and exhalation of oxygen and carbon dioxide.
  • Cellular respiration occurs inside the cell, specifically within the mitochondria.

Mitochondria

  • Mitochondria are organelles responsible for energy production within cells.
  • Energy is produced through the conversion of glucose and oxygen into ATP, carbon dioxide, and water.

Chemical Equation

  • The respiration equation can be expressed as:
    • C6H12O6 + 6 O2 > 6 CO2 + 6 H2O + Energy
    • This translates to: Sugar + Oxygen > Carbon Dioxide + Water + Energy.

Relationship Between Photosynthesis and Cellular Respiration

  • During photosynthesis, the inputs (carbon dioxide and water) are the outputs of cellular respiration, and vice versa.
  • They are essentially inverse processes.

Fermentation

  • Fermentation is an anaerobic process for energy production when oxygen is scarce.
  • This process yields less energy compared to cellular respiration.
  • Lactic acid is produced during fermentation due to insufficient oxygen for aerobic respiration.

Energy and Work

  • Energy is crucial for cellular functions and work.
  • The Law of Conservation of Energy states that energy is neither created nor destroyed but converted into different forms.

Cell Membrane

  • The cell membrane is semi-permeable, controlling the movement of substances in and out of the cell.
  • During cellular respiration, glucose and oxygen enter cells, while carbon dioxide and water are expelled as waste products.

Types of Respiration

  • Cellular respiration can occur through aerobic (with oxygen) or anaerobic (without oxygen) processes.
  • Aerobic respiration is more efficient in energy production compared to anaerobic respiration.

Blood and Energy Transport

  • Glucose and oxygen are transported to cells through the blood.

Additional Concepts

  • Digestion is the process of breaking down food into usable forms like glucose.
  • Breathing differs from cellular respiration; breathing is the physical act of gas exchange, while cellular respiration is the biochemical process of energy production.

Summary of By-products and Reactants

  • Waste products of cellular respiration include carbon dioxide and water.
  • Reactants necessary for cellular respiration are glucose and oxygen.

Body Adaptation

  • During intense exercise when oxygen levels are low, the body adapts by switching to anaerobic respiration, leading to lactic acid fermentation.

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Test your knowledge of cellular respiration with these flashcards. Learn key terms and definitions related to the process and location of cellular respiration in cells. Perfect for students studying biology and related fields.

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