equivalent to an energy drink‚ and the sweetener acts as a time-released muscle fuel during exercise and helps replenish muscles post-workout. 2 Name three specific body processes that require energy in the form of ATP. -Active transport -cellular respiration -photosynthesis -metabolism -endocytosis -exocytosis -reproduction 1. You hear someone mention the molecule “AMP.” Based on what you learned about the structure of ATP and the way in which energy is released‚ what do you think AMP stands for and
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HOW MUSCLES GET THE ENERGY THEY NEED TO WORK 1) Muscle needs energy to contract and as stated previously the ‘universal energy currency’ of living systems is ATP (adenosine triphosphate). This is largely produced within mitochondria‚ organelles which are often referred to as the ‘powerhouse’ of the cell. The ATP that results is used to provide the power for the muscle fibres to contract. Contraction itself (i.e. actual shortening movement) occurs when a bond is broken between ATP and one of its
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without it‚ cells and body tissue could not get important nutrients for survival. In humans and animals‚ diffusion is needed during respiration. It is the way oxygen travels from the lungs to the red blood cells in the blood and the way carbon dioxide travels from the blood to the lungs from where it can be exhaled. In the oxidative phosphorylation stage of aerobic respiration‚ diffusion is vital in getting the protons across the potential gradient from the inter-membranal space to the inner membrane to
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transport oxygen rich blood from the alveoli back to the heart. Inspiration (the process of inhaling) begins as the external intercostals and diaphragm contract. When this happens‚ the lungs expand. After this‚ negative pressure is used to facilitate respiration. So‚ air moves from an area of higher pressure‚ which is the air‚ to an area of lower pressure in the lungs and aveoli. During inspiration the diaphragm and intercostal muscles contract. The diaphragm moves downwards‚ while the intercostal muscles
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symptoms and took the same drugs‚ have the same symptoms and they live close enough for it not to be considered it to be random. The autopsy showed massive cell death in the tissues of various organs in the victims. The cells died because cellular respiration was interrupted in the mitochondria of the patients. The mitochondria were unable to use oxygen and failed to make ATP. Therefor energy was not created to carry out other functions in the cells. Energy
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used at this stage in cellular respiration‚ which is derived from from a B vitamin called pantothenic acid. During the transitional between glycolysis and the Krebs cycle‚ pyruvic acid begins to prepare for entry into the cycle. The enzyme pyruvate dehydrogenase‚ changes pyruvic acid to a 2-carbon fragment called an acetyl group by removing a carbon dioxide molecule. Decarboxylation is the substance that causes the loss of a carbon dioxide molecule. In cellular respiration this is the first action that
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energy in order to survive. Amimal‚ Bacteria‚ Protists‚ Fungi‚ and Plant cells use Cellular Respiration to produce the energy they need. In the process of Cellular Respiration‚ an organism’s cell will transform molucles such as starch or glucose into a form of cellular energy known as Adenosine Triphosphate(ATP). There are two ways cellular resperation can occur‚ Anarobic and Aerobic. Aerobic Respiration is the most productive form of cellular resperation. In Aerobic resperation‚ cells need oxygen
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is easy to understand cellular respiration and fermentation. However in terms of the process‚ it can be difficult to understand‚ due to the many steps involved in a single phase. Some students hypothesized that if a human contracts their forearm muscles repetitively‚ then the muscles will be fatigued. But if yeast is awoken from its dormant state‚ the balloon’s circumference and weight will increase‚ the pH will decrease‚ and the process of cellular respiration will be replaced by fermentation
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Grade 11 University Biology Exam Teacher: Mr. Anderson SBI 3U1 Jan 21‚ 2009 Time: 2 hours Total Marks /111 Pages 1-8 Name: _________________________ Instructions 1. All questions should be answered on the exam page. 2. There will be no talking and/or other disruptions during the exam. 3. If you have any questions raise your hand and a teacher will come to your desk to help you. 4. When you are finished please raise your hand the teacher will come to you
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saturated in it than the other dry peas it would consume more oxygen because water is a key molecule in the facilitation of certain reaction and processes especially in cellular respiration. In conclusion‚ the lab demonstrated many critical things relating to cellular respiration. It showed that the rates of cellular respiration are greater in germinating peas than in non-germinating pea which does support my hypothesis. In another experiment I discovered about germinating peas vs non germinated peas
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