Compare & Contrast C-E-R Paper Photosynthesis is the process that captures energy from sunlight and make sugars to store for chemical energy‚ whereas cellular respiration is the process that releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present. In addition‚ cellular respiration takes place in both plant and animal cells while photosynthesis only takes place in plant cells‚ but that doesn’t necessarily mean it’s less important to animals in the long
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stimuli‚ e.g. temperature‚ oxygen concentration and levels of sunlight. These may be over time‚ e.g. winter fur to summer fur‚ or quickly‚ e.g. changing size of pupils. Internal environments change too- the build up of carbon dioxide as a result of respiration changes the pH of the tissue fluid‚ and therefore inhibits enzyme activity. Multicellular organisms need to coordinate different organs‚ so this requires a good communication system which will: • Cover the whole body • Enable cells to communicate
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respire anaerobically. It is proven once it smelled like alcohol. 2. Aerobic respiration occurs in the presence of oxygen‚ CO2 and water are produced‚ and occur in plant and animal cells. In Aerobic respiration‚ glucose is broken down into CO2‚ H20 and ATP; more ATP is released (38). Anaerobic respiration happens in the presence of no oxygen and occurs in many anaerobic bacteria and in muscle cells. During this respiration‚ either lactic acid or alcohol is produced. Glucose is broken down into Lactic
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What is fermentation and why does it matter ? Fermentation is the process in which glucose is broken down in the absence of oxygen. Fermentation matters for many reasons. It’s important in muscles because it allows the muscles to keep getting energy from glucose even though oxygen can’t keep up with supplying. Fermentation also takes away the end products of glycolysis so that glycolysis can continue breaking down glucose and releasing energy. Fermentation is also important to the baking industry
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Chapter 5 Assignment 1. What is energy? What are the three forms of energy? Energy is the capacity to do work. There are four types of energy according to the powerpoint. They are Kinetic energy (energy of motion)‚ potential energy (stored energy)‚ thermal energy (heat)‚ and chemical energy (potential energy of molecules). 2. State the First and Second Laws of Thermodynamics. Include entropy in your explanation. The first law states that energy can neither be created nor destroyed it can
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complez or golgi apparatus packages proteins and lipids for transportation. Mitochondria in cells vary depending on the function of the cell. They can vary in numbers from hundreds to thousands. They are the source of energy for cells through aerobic respiration and manufacture ATP. The Liver and Kidneys are very active and their cells have large numbers of mitochondria. Ribosomes are located in varying parts of the cell‚ and can be bound or free floating. They are the garbage cans if the cells and their
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Unit B2.6.1 Aerobic respiration * a) Know and understand the chemical reactions inside cells are controlled by enzymes. * b) Know and understand during aerobic respiration (respiration that uses oxygen) chemical reactions occur that: * use glucose (a sugar) and oxygen * release energy. * c) Know and understand that aerobic respiration takes place continuously in both plants and animals. * d) Know that most of the reactions in aerobic respiration take place inside mitochondria
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VO2 max of an athlete because‚ philosophically of course‚ the more oxygen used during exercise‚ the more ATP that is produced. This translates into; the more oxygen that can be absorbed by the body‚ the more energy that is produced through cellular respiration‚ and in turn‚ an athlete would heighten the intensity of the workout for a longer period of time becoming a better athlete. The VO2 Max of a person can be affected by mass‚ time it took to walk necessary distance‚ and heart rate. Each variable
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ATP molecules for every glucose molecule that is oxidized by aerobic respiration is because the NADH that is made in the cytosol during glycolysis cannot diffuse through the inner membrane of the mitochondrion‚ it must be transported into the mitochondrial matrix. So as a result the active transport of NADH consumes ATP releasing only 36 ATP molecules. 18) Anaerobic pathway differs from the pathways of aerobic respiration at the sites they occur in eukaryotic cells by the presence of oxygen
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Unit 5 Describe the two process by which hormones can cause certain genes to be turned on. (4) Any 2 from: - A hormone binds to a receptor in the cell surface membrane - Idea of the receptor causing (chemical) changes inside the cell - A (functional) {second messenger} activates an {enzyme/transcription factor/eq} Any 2 from: - Idea of a hormone entering the cell through the cell membrane - The hormone binds to a receptor - The {hormone-receptor complex/eq} acts as a transcription factor
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