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Cellular respiration Essay Examples

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Cellular Respiration

Abstract The effect of nature of substrates on the rate of cellular respiration in yeast was determined by using the Smith fermentation tube method. Mixtures of 15ml distilled H2O, 10% yeast suspension and 15ml of the following solutions (all at 10% concentration):1- starch, 2 – lactose, 3 – sucrose, 4 – glucose, 5 – fructose,…

The Effect of the Nature of Substrate on Cellular respiration of yeast

Abstract The experiment aims to observe if simpler substrates makes the rate of cellular respiration faster. Using yeast, smith fermentation tubes and different substrates namely, starch, lactose, sucrose, glucose and fructose, which are from different kinds of carbohydrates, ranging from the simplest sugars glucose and fructose to the polysaccharide starch and water as the control,…

Photosynthesis and Cellular Respiration

Cells of all organisms are capable in acquiring the energy necessary to fuel chemical reactions for growth, repair, survival, and reproduction. Photosynthesis & cellular respiration are the main pathways of energy flow in living things. Photosynthesis is a process by which plants and some other organisms convert, light energy from the sun, CO2 from the…

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Cellular Respiration and Photosynthesis

Photosynthesis and respiration are both processes that are necessary for the survival of organisms. However, in numerous ways these two processes are very diverse as they are responsible for distinct necessities. Therefore they both have similarities and differences. One major difference between the two is that photosynthesis takes place completely in plants while respiration occurs…

Cellular Respiration in Sports

The Krebs cycle refers to a complex series of chemical reactions that produce carbon dioxide and Adenosine triphosphate (ATP), a compound rich in energy. The cycle occurs by essentially linking two carbon coenzyme with carbon compounds; the created compound then goes through a series of changes that produce energy. This cycle occurs in all cells…

Cellular Respiration and Rigor Mortis

Cellular respiration is a metabolic process where the body uses organic molecules to produce energy. One of the greatest energy sources that our body uses is glucose. In cellular respiration glucose is broken down, and the energy from those bonds is used to create adenosine triphosphate (ATP). There are two types of respiration: aerobic and…

Photosynthesis and Cellular Respiration

1. Organisms that use photosynthesis to produce glucose are collectively called photoautotrophs; three specific examples of such organisms are Rhodospirillum rubrum, Chromatium okenii, and Chlorobium limicola (Sengbusch, 2003). 2. Obligate aerobes are organisms that exclusively utilize aerobic cellular respiration; examples of such organisms are Bacillus, Pseudomonas, and Nocardia (Schlegel, 2003). 3. Unlike in aerobic cellular…

Cellular Respiration Through Alcoholic Fermentation

The experiment was conducted to determine the impact different yeast amounts had on yeast fermentation. It was hypothesized that the more yeast added the more CO2 would be produced. The carbon dioxide production was measured in the fermentation of yeast with solution of no yeast in test tube 1, 1mL yeast in test tube 2,…

Cellular Respiration

Answer the following questions: Cellular respiration: • What is cellular respiration and what are its three stages? Cellular respiration is a way cells store food and energy, a catabolic pathway for the production of adenosine triphosphate (ATP). The cellular respiration happens in both eukaryotic and prokaryotic cells. The three stages are Glycolysis, Citric cycle, and…

Metabolism: Cellular Respiration and New World Encyclopedia

Enzymes are molecules that are responsible for chemical reactions that occur within the body. They act as catalyst by accelerating metabolic reactions from the digestion of foods to synthesizing deoxyribonucleic acid (DNA). An enzymatic reaction changes substrates, the beginning molecule, into products. Enzymes are selective for the type of substrate that they will bind to;…

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