Correct Order Of Cellular Respiration
2.26: Cellular Respiration
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Why eat?
Because we're hungry. Non necessarily. But biologically speaking…we eat to become free energy. The food we consume is broken down, the glucose extracted, and that energy is converted into ATP.
Cellular Respiration
What happens to the energy stored in glucose during photosynthesis? How do living things make utilise of this stored energy? The answer is cellular respiration. This process releases theenergy in glucose to make ATP (adenosine triphosphate), the molecule that powers all the work of cells.
An introduction to cellular respiration can be viewed at http://www.youtube.com/sentry?5=2f7YwCtHcgk (fourteen:19).
Stages of Cellular Respiration
Cellular respiration involves many chemical reactions. The reactions tin can exist summed up in this equation:
C6H12Ohalf-dozen + 6O2 → 6CO2 + 6H2O + Chemical Free energy (in ATP)
The reactions of cellular respiration can be grouped into three stages: glycolysis (stage one), the Krebs cycle, also called the citric acid cycle (phase ii), and electron ship (phase 3).Figure beneath gives an overview of these three stages, which are further discussed in the concepts that follow. Glycolysis occurs in the cytosol of the cell and does not require oxygen, whereas the Krebs wheel and electron transport occur in the mitochondria and do require oxygen.
Cellular respiration takes identify in the stages shown here. The process begins with a molecule of glucose, which has 6 carbon atoms. What happens to each of these atoms of carbon?
Construction of the Mitochondrion: Primal to Aerobic Respiration
The construction of the mitochondrion is key to the process of aerobic (in the presence of oxygen) cellular respiration, especially the Krebs bicycle and electron transport. A diagram of a mitochondrion is shown in Figure beneath.
The structure of a mitochondrion is defined past an inner and outer membrane. This structure plays an important role in aerobic respiration.
As you can run across from Figure above, a mitochondrion has an inner and outer membrane. The infinite between the inner and outer membrane is called the intermembrane space. The space enclosed by the inner membrane is chosen the matrix. The 2nd phase of cellular respiration, the Krebs cycle, takes place in the matrix. The third stage, electron transport, takes place on the inner membrane.
Summary
- Cellular respiration takes the free energy stored in glucose and transfers it to ATP.
- Cellular respiration has iii stages: glycolysis: the Krebs cycle and electron transport.
- The inner and outer membranes of the mitochondrion play an of import roles in aerobic respiration.
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Review
- Define cellular respiration.
- What are the 3 stages of cellular respiration?
- Describe the structure of the mitochondrion and talk over the importance of this structure in cellular respiration.
- Presume that a new species of organism has been discovered. Scientists take observed its cells under a microscope and determined that they lack mitochondria. What blazon of cellular respiration would you predict that the new species uses? Explain your prediction.
- When you breathe onto a cold window pane, water vapor in your breath condenses on the glass. Where does the water vapor come from?
Correct Order Of Cellular Respiration,
Source: https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_Introductory_Biology_(CK-12)/02%3A_Cell_Biology/2.26%3A_Cellular_Respiration
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