electron transport chain is ________ ATP and the yield from FADH2 is ________ ATP. A. three‚ two B. three‚ four C. four‚ three D. two‚ three 6. Fermentation takes place in the ________ of oxygen‚ a process also known as ________ respiration. A. presence‚ aerobic B. presence‚ anaerobic C. absence‚ aerobic D. absence‚ anaerobic 7. Pyruvate is the starting compound for ________. A. Alcohol fermentation B. Glycolysis C.
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* Question 1 1 out of 1 points | | | Which of the following is NOT a domain of life?Answer | | | | | Selected Answer: | Animalia | Correct Answer: | Animalia | | | | | * Question 2 1 out of 1 points | | | Polar molecules share electrons equally.Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | * Question 3 1 out of 1 points | | | Which of the following is NOT a characteristic of life?Answer | | | |
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Light Lab Introduction: The purpose of this lab is to observe how influential light is to the construction and/or use of CO2 and O2 amongst plants. This can be examined by experimenting the effects of plants under both light and no light. In order to begin this experiment you must begin by wrapping the “BioChamber” with aluminum foil to prevent light from coming through to the leaves‚ however‚ once the lid has been covered you are to poke holes so you can insert the sensors. Next‚ you will
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ATP and its Role in Living Organisms An exemplary biology essay ATP (adenosine triphosphate) is vital to living organisms. It acts as a short-term store of energy in a cell‚ carrying it from where it is synthesised (e.g. the mitochondria) to where it is needed for biological processes. It is well suited to this job for the following reasons: it is small and soluble (and so can be easily transported around a cell); it is easily broken down to release energy; it can transfer energy to other molecules;
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What is Krebs cycle? The Krebs cycle‚ also known as the Citric Acid cycle‚ is a very important process in cellular respiration. Without this portion‚ respiration would not be possible. This is because the Krebs cycle uses the pyruvate molecules from glycolysis to produce high energy molecules essential for the electron transport chain (ETC) which follows soon after. Described by Hans Adolf Krebs in 1937 A feature of cell chemistry shared by all types of life. A complex series of reactions beginning
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of two ATPs are produced as the process uses two ATPs and produces four. Glycolysis consists of ten chemical reactions; each reaction is catalysed using a different enzyme. Oxygen is not required during glycolysis so it is considered anaerobic respiration. Glycolysis must be regulated so that energy is produce only when required. During glycolysis there are three enzymes that catalyse or inhibit the rate of reaction. These are hexokinase‚ phosphofructokinase and pyruvate kinase. During the first
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Thermodynamics- the study of the flow and transformation of energy in the universe Metabolism- all the chemical reactions in a cell Photosynthesis- is the anabolic pathway in which light energy from the sun is converted to chemical energy Cellular Respiration- catabolic pathway in which organic molecules are broken down to release energy Adenosine Triphosphate (ATP)- the most important biological molecule that provides chemical energy Thylakoids- flattened saclike membranes that are arranged in stacks
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3-carbon molecules NO O2 - Fermentation 1. Lactic Acid – your muscles ache because of the accumulation of lactic acid. 2. Alcohol Fermentation- ethanol is fancy word for alcohol. Alcohol fermentation is alcohol + CO2 O2 Aerobic * Respiration * Mitochondria * Matrix – Krebs Cycle – C6 – gives you 2 more ATP * Innermembrane- ETS – 34 ATP Mitochondria is only involved in the presence of oxygen. * Must know pyruvate for the test. Glycolysis * Two processes
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two products of the breakdown of glucose: 1. _________________ 2. _________________ If oxygen is not available‚ pyruvic acid is converted to __________ acid‚ which is the end product of _________________ respiration. 8. If oxygen is available‚ the process is known as ______________ respiration. Name two sources of oxygen: 1. _______________________ 2. _______________________ The aerobic pathway consists of glycolysis + ________________ + ___________________. The net result of one glucose molecule
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In cellular respiration some energy is lost as heat but almost half is captured in a form that the cell can use through the synthesis of ATP. 4. Aerobic reactions are different from anaerobic reactions in that they require oxygen. 5. For each glucose molecule that is decomposed by cellular respiration‚ up to 38 ATP molecules are produced. 6. All but two ATPs are formed by the aerobic processes. B. ATP
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