What is the difference between cellular respiration and getting energy from a log

Mitochondrial dysfunction and oxidative stress in neurodegenerative diseases. Cyanide poisoning: pathophysiology and treatment recommendations.

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Save to playlist. One gram of fat contains nearly six times the energy of the same amount of glycogen, but the energy from fat is less readily available than that from glycogen. Still, each storage mechanism is important because cells need both quick and long-term energy depots. Fats are stored in droplets in the cytoplasm; adipose cells are specialized for this type of storage because they contain unusually large fat droplets. Humans generally store enough fat to supply their cells with several weeks' worth of energy Figure 7.

Figure 7: Examples of energy storage within cells. A In this cross section of a rat kidney cell, the cytoplasm is filled with glycogen granules, shown here labeled with a black dye, and spread throughout the cell G , surrounding the nucleus N. B In this cross-section of a plant cell, starch granules st are present inside a chloroplast, near the thylakoid membranes striped pattern. C In this amoeba, a single celled organism, there is both starch storage compartments S , lipid storage L inside the cell, near the nucleus N.

Qian H. Letcher P. A Bamri-Ezzine, S. All rights reserved. This page appears in the following eBook. Aa Aa Aa. Cell Energy and Cell Functions.

Figure 3: The release of energy from sugar. Compare the stepwise oxidation left with the direct burning of sugar right.

Figure 5: An ATP molecule. ATP consists of an adenosine base blue , a ribose sugar pink and a phosphate chain. Figure 6: Metabolism in a eukaryotic cell: Glycolysis, the citric acid cycle, and oxidative phosphorylation.

Glycolysis takes place in the cytoplasm. Cells need energy to accomplish the tasks of life. Beginning with energy sources obtained from their environment in the form of sunlight and organic food molecules, eukaryotic cells make energy-rich molecules like ATP and NADH via energy pathways including photosynthesis, glycolysis, the citric acid cycle, and oxidative phosphorylation.

Any excess energy is then stored in larger, energy-rich molecules such as polysaccharides starch and glycogen and lipids. Cell Biology for Seminars, Unit 1. Topic rooms within Cell Biology Close.

No topic rooms are there. Or Browse Visually. Student Voices. Creature Cast. Simply Science. Green Screen. Green Science. This su Photosynthesis creates a proton gradient when pigments in the thylakoid membrane absorb light energy from the sun.

The energy is then used to oxidize water w Flashcards FlashCards Essays. Create Flashcards. Share This Flashcard Set Close. Please sign in to share these flashcards. We'll bring you back here when you are done. Sign in Don't have an account? Set the Language Close. Flashcards » Celluar Respiration and Photosynthesis.

Add to Folders Close. Please sign in to add to folders. Upgrade to Cram Premium Close. Upgrade Cancel. Chemical Equation For Photosynthesis Essay In the light dependent reaction the energy from light moves the electrons from a photosystem into to high energy state. Breathing is a process of inhaling oxygen into lungs and cellular respiration is a process of burning glucose in presence of oxygen to get energy. Hope this helps. During cellular respiration, electrons at the end of electron-transport chain are accepted by oxygen, thus reducing the oxygen.

And during burning, the same thing happens - electrons from the fuel are taken by oxygen, reducing the oxygen. Slowly by cellular respiration, quickly by combustion burning. Fire releases all of the energy of burning wood as heat and light, whereas cellular respiration stores the energy as ATP, which is used for metabolism. Aerobic cellular respiration. Compared with burning, cellular respiration is a more controlled fall of electrons- more like a step-by-step walk of electrons down an energy staircase.

Instead of releasing food energy in a burst of flame, cellular respiration unlocks food energy in small amounts that cells can put to productive use which is the conversion of food energy to ATP energy. Both are about the release of energy but respiration is about the controlled release of energy. Log in. Study now. See Answer. Best Answer. Study guides. Genetics 20 cards. What are chromosomes made of. How are mitosis and meiosis similar. What is a gel electrophoresis chamber. In pea plants what are the two alleles for color.

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