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True or false anaerobic respiration can occur without oxygen whereas aerobic respiration can occur only in the presence of oxygen?
True, aerobic respiration will result in a net gain of 36 ATP molecules once the entire process of cellular respiration has been completed. Even in anaerobic respiration there is still a release of 2 ATP molecules.
How do mitochondria evolve?
Mitochondria are believed to have evolved from ancient bacteria that were engulfed by primitive eukaryotic cells. This symbiotic relationship allowed the host cell to harness the energy produced by the bacteria through aerobic respiration, leading to the development of mitochondria as specialized organelles. Over time, mitochondria have evolved in structure and function to become essential for cellular energy production.
Can enzymes respire?
Since enzymes, being proteins, do not fit the definition of living organisms, they do not respire. That having been said, enzymes do indeed play a vital role in the process of both aerobic and anaerobic cellular respiration. They are not alive and so do not respire, but respiration could not occur without their help.
What seems to have been the purpose and function of early rural muslim palaces?
a place for caliphs to stay
Why does anaerobic respiration happen?
Anaerobic respiration occurs because aerobic respiratory only produces a small amount of ATP (2 ATP) and because oxygen is consumed quickly in tissues. Anaerobic respiration produces a high amount of ATP and is particulary important in tissues such as muscles during streneous exercise.
Best explains why aerobic respiration is more energy efficient than anaerobic respiration?
Aerobic respiration produces 36 ATP from one glucose molecules. Anaerobic respiration produces only 2. Two glucose molecules are produced during glycolysis. In addition to producing ATP from ADP, glycolysis also converts NAD+ to NADH. If no oxygen is available, more energy needs to be produced from glycolysis. However, for glycolysis to occur, NAD+ must be regenerated from NADH. Thus, in a process known as anaerobic fermentation, NAD+ is regenerated from NADH. Fermentation doe snot fully oxydize glucose. After glycolysis, the glucose molecule has been converted into two molecules of pyruvate. Fermentation uses pyruvate to convert NAD+ back to NADH so it can be used for another round of glycolysis. If oxygen is present, the two pyruvate molecules from glycolysis can be fully oxydized in a process known as aerobic respiration. This process consists of the citric acid cycle and the electron transport chain. The process is beyond the scope of this post, but aerobic respiration basically produces more NADH and FADH2 from pyruvate and uses the NADH/FADH2 molecules to oxydize O2 to H2O. The Krebs cycle produces 2 ATP and the electron transport chain produces 32 ATP. Thus, aerobic respiration is a far more efficient means of energy production.
Does aerobic respiration use carbon dioxide?
Yes, during aerobic respiration, carbon dioxide is produced as a byproduct when glucose is broken down in the presence of oxygen. The carbon dioxide is expelled from the body through the respiratory system as a waste product.
What best explains why aerobic respiration is more energy efficient than anaerobic respiration?
Aerobic respiration produces 36 ATP from one glucose molecules. Anaerobic respiration produces only 2. Two glucose molecules are produced during glycolysis. In addition to producing ATP from ADP, glycolysis also converts NAD+ to NADH. If no oxygen is available, more energy needs to be produced from glycolysis. However, for glycolysis to occur, NAD+ must be regenerated from NADH. Thus, in a process known as anaerobic fermentation, NAD+ is regenerated from NADH. Fermentation doe snot fully oxydize glucose. After glycolysis, the glucose molecule has been converted into two molecules of pyruvate. Fermentation uses pyruvate to convert NAD+ back to NADH so it can be used for another round of glycolysis. If oxygen is present, the two pyruvate molecules from glycolysis can be fully oxydized in a process known as aerobic respiration. This process consists of the citric acid cycle and the electron transport chain. The process is beyond the scope of this post, but aerobic respiration basically produces more NADH and FADH2 from pyruvate and uses the NADH/FADH2 molecules to oxydize O2 to H2O. The Krebs cycle produces 2 ATP and the electron transport chain produces 32 ATP. Thus, aerobic respiration is a far more efficient means of energy production.
What is the exact function of the mitohondria?
The mitochondria are rod-shaped and have been described as the power house of the cell.in the mitochondria energy is released from food during the process of internal or cellular respiration.
Has been shown to have a positive effect on mood?
aerobic exercise
Was the labor union was a short lived function of the early 20th century?
Labor unions have been around for over 100 years.
Which catabolic processes may have been used by cells on ancient Earth before free oxygen became available?
Cells on ancient Earth likely used anaerobic catabolic processes such as fermentation and anaerobic respiration to generate energy before oxygen became available in the atmosphere. These processes do not require oxygen and are less efficient than aerobic respiration, but they allowed early cells to extract energy from organic molecules in their environment.
