Cellular Respiration

Words: 892
Pages: 4
Open Document
Cellular respiration, or simply respiration, is defined as an adenosine triphosphate(ATP) generating process in which molecules are oxidized and the final electron acceptor is (almost always) an inorganic molecule (Tortora, Funke & Case, 2013). The movement of an electron transport chains plays a very vital role in respiration. Respiration is classified in two categories.’ The first category is if an organism requires oxygen for growth and survival; this category is called aerobe. The second category is for the organisms that do not use oxygen; this is also known as anaerobic (Medical Prep Institute Tampa Bay (2014). Aerobic organisms consist of most animals and some fungi. Oxygen is detrimental to anaerobic organisms because it can kill …show more content…
It takes place in the mitochondrial matrix and requires oxygen. The Kreb Cycle, also called the triacarboxylic acid (TCA) cycle or citric acid cycle, is a series of biochemical reactions in which the large amount of potential chemical energy stored in Acetyl coenzyme A (Acetyl CoA ) is released step by step. (Medical Prep Institute Tampa Bay (2014). In this cycle, a series of oxidations and reductions transfer that potential energy, in the form of electrons, to electron-carrier coenzymes; chiefly nicotinamide adenine dinucleotide (NAD+). (Tortora, Funke & Case, 2013). It will utilize the pyruvate molecules from Glycolysis to produce 2-adenosine triphosphate(ATP) plus more than a few molecules of FADH2 and Nicotinamide_adenine_dinucleotide hydrogen (NADH) for the electron transport chain. The pyruvic acid derivatives are oxidized; the coenzymes are reduced. Glucose and oxygen join together to develop carbon dioxide, water and adenosine triphosphate (ATP). Adenosine triphosphate(ATP) helps bring energy to the living cells so that they may function properly. The result of a chemical reaction is both carbon dioxide and water. Citric acid is the number one and last concoction of the Krebs cycle. Citric acid can and will distribute plus regenerates in the process of adenosine triphosphate(ATP) synthesis. The Kreb Cycle consists of numerous chemicals and enzymes that work hand in hand with each other. Acetyl coenzyme A (Acetyl CoA ) bonded together with oxaloacetate to create a citrate, or citric acid. However with this union citric acid loses carbon dioxide from the oxaloacetate while the process of oxidation occurs. After that, the electrons from a chemical reaction transfer to the coenzyme nicotinamide adenine dinucleotide (NAD+), which then brings on Nicotinamide_adenine_dinucleotide hydrogen (NADH). The Acetyl coenzyme A (Acetyl CoA ) molecule produces three molecules of
Show More

Related Documents: Cellular Respiration

Cellular Respiration Essay

Bio101 Lecture 15: Cellular Respiration. Part1: Glycolysis and Fermentation I-­‐Cellular Respiration CR A-­‐Definitions CR: process by which organisms breakdown and extract energy from nutrients (carbs, glucose) produced by photosynthesizers. Slide 3 CR can take place in presence of Oxygen, aerobic respiration, or absence of…

Words 1368 - Pages 6

Biology - Cellular Respiration Essay

1 Introduction to cellular respiration and fermentation: Aerobic Cellular Respiration: is the process that extracts energy from food in the presence of oxygen. The energy is used to synthesize ATP from ADP and Pi. The ATP molecules are then used to supply energy directly to the cell for their energy-demanding activities. The equation bellow shows how glucose and oxygen are used to release ATP: C6H12O6 + 6O2  6CO2 + 6H2O ∆G = -2870 KJ/mol Aerobic cellular respiration can be divided into…

Words 440 - Pages 2

Cellular Respiration Essays

Knightfall" is the title given to a major Batman story arc published by DC Comics that dominated Batman-related serial comic books in the spring and summer of 1993. "Knightfall" is also an umbrella title for the trilogy of storylines that ran from 1993 to 1994, consisting of "Knightfall", "Knightquest", and "KnightsEnd".[note 1] Collectively, they are unofficially known as the KnightSaga. The story takes place over approximately six months. Bruce Wayne (Batman) suffers burnout and is systematically…

Words 3305 - Pages 14

Photosyntheses and Cellular Respirations Essays

Photosynthesis and Cellular Respirations The processes that support living organisms revolve around an intricate combination of exchanges on the cellular level. These exchanges known as photosynthesis and cellular respiration individually and collectively support the process called life by producing energy. Careful examination of the activities occurring at the cellular level in these processes reveals a kind of “subset” of tasks that explain the methodical order of events necessary to sustain a…

Words 1024 - Pages 5

Cellular Respiration Lab Report

Explain why a simple exergonic free energy diagram would not be sufficient for cellular respiration with the following equation: C6H12O6 + 6O2 → 6CO2 +6H2O + 36 ATP That shows the overall process of oxidation of glucose to release energy. Not really sure of the question/answer. In terms of the cell respiration intermediary molecules, explain where the all the carbon atoms (C) in CO2 comes from when you exhale. Be specific. CO2 which usually takes glucose and oxygen which produces carbon dioxide…

Words 992 - Pages 4

Essay about Cellular Respiration

5, 2012. Cellular Respiration. Introduction: In the process of aerobic respiration which is a process of cellular respiration that uses oxygen in order to break down the molecules. The formula for this is Co2 + H2O. Which are then releases the electrons and creates energy. Food materials are oxidized and energy (glucose) is stored in the form of high-energy phosphate bonds. Carbon dioxide (Co2) and water (H2O) vapor are released as a by-product. In contrast to photosynthesis, respiration occurs in…

Words 654 - Pages 3

Cellular Respiration Lab Report

It was hypothesized that as temperature increases, the rate of respiration will increase as well. Data in this experiment does not support it fully. As the temperature increased from 0°Celsius to 20°Celsius to 43°Celsius, the rate of respiration increased as well (Figure 4). However, at 74°Celsius, the rate of respiration was at the lowest (Figure 4). Cellular respiration may increase as temperatures increases up to a limit. At 74°Celsius, the temperature may have been too high for the enzymes…

Words 389 - Pages 2

Cellular Respiration Lab Report

Cellular Respiration is the reverse process of photosynthesis, in which glucose is broken down into ATP. There are three steps in this process, Glycolysis, Kreb’s Cycle, and Electron Transport Chain. A total of 36 ATP is produced during this process. The Overall Equation is: C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP Glucose Oxygen Carbon Water Usable Dioxide Energy Step 1 : Glycolysis…

Words 140 - Pages 1

Cellular Respiration Essay example

Prerequisite knowledge * ATP (Adenosine triphosphate) is the energy storage unit of currency for the cell. * Make ATP by taking energy from food sources (glucose) do this by harvesting energy that is yielded by breaking bonds * Respiration is taking this energy and putting it into a compartment (ATP) STEP ONE: GLYCOLYSIS C6H12O6 → 2CH3COCOOH * Universal to all cells and is non- spontaneous therefore needs enzymes to catalyze to gradually release energy and store it in ATP…

Words 1215 - Pages 5

Glycolysis: Process Of Cellular Respiration

Glycolysis is one of four steps that completes the process of Cellular Respiration (Erster 14). It` is a process that breaks down glucose into pyruvate and ATP (Erster 15). Glycolysis itself takes ten chemical reactions to complete its process, and within that are two mechanisms are used in order to create ATP. During substrate-level phosphorylation, a substrate molecule gives up a phosphate, which is moved by an enzyme to ADP, and then it turns into ATP. This happens not only in glycolysis, but…

Words 488 - Pages 2