Muscular System: Muscle Metabolism 1. List the three roles of ATP in muscle contraction: 1. _energizing the power stroke of the myosin cross bridge________________________ 2. _disconnecting the myosin head from the binding site on actin at the conclusion of a power stroke_________________ 3. _energizing the calcium ion pump; transporting calcium___________________ 2. The potential energy in ATP is released when the terminal high-energy bond is broken by a process called _hydrolysis________________________
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Basic metabolism Topics covered today: 1. Concept of equilibrium and Gibb’s free energy 2. Catalysis 3. Energy carrier molecules 4. (reading: 65-88) Keeping a system organized requires energy * Maintain structures * Create-and re-create the building blocks * Reorganize/adapt * Two categories of metabolism * Catabolism: get energy by breaking down food (bimolecular). * Anabolic pathways: use energy to build molecules. Second law of thermodynamic
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The five hormone’s that play a role in regulation of glucose metabolism are Insulin‚ Glucagon‚ Epinephrine‚ norepinephrine‚ and cortisol. Insulin is located in the pancreas and the action of insulin is remarkable and also not as complex as most people would think. Glucose is taken up by a muscle that is at rest‚ which in turn regulates blood glucose concentration. This process isn’t difficult to understand because it isn’t as many parts to the process. Glucagon also finds itself located in the pancreas
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cellular respiration is an example of chemical reactions. Throughout the chapter‚ the cell’s metabolism will be examined to understand how it controls the chemical reactions that take place in the cell. Section 6.1 - An Organism’s Metabolism Affects Energy and Matter The metabolism in cells is responsible for the series of chemical activities that take place in the cell. Metabolic Pathways The metabolism controls the material and energy resources of the cell. Through the
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Hormones and the Endocrine System 26.1 Chemical and electrical signals coordinate body functions The Endocrine System is a group of interacting glands and tissues throughout the animal body that produce and secrete chemical to initiate and maintain body functions and activities. Chemical Signals -Hormones - are released into the bloodstream by endocrine cells and carried to all locations in the body Consists of all hormone secreting cells Works with the nervous system in regulating body activities
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The Thyroid Diet It is estimated that 20 million Americans have some type of thyroid disease with up to 60 percent of those people completely unaware of their condition. This means millions are living with the symptoms of a thyroid disorder and either have no idea what’s wrong with them‚ or they have learned to live with the fatigue‚ aches‚ pains‚ and digestive issues as if they are “normal”. The most common types of thyroid disease are Grave’s disease‚ Hashimoto’s thyroiditis‚ goiter‚ and thyroid
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(Rouse‚ 2015). Hypothalamus’ main job is to maintain homeostasis in the body (Rouse‚ 2015). Hormones from the hypothalamus aides to regulate functions in the body‚ some including: hunger‚ body temperature‚ thirst‚ metabolism‚ mood etc. (Rouse‚ 2015). Hormones in the body are chemical signals which allow different cells and structures of the body to communicate. (Mader & Windelspecht‚ 2012) The hormone that communicates with hypothalamus to tell the brain we
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Metabolism is the complete and necessary chemical activity carried out by living organisms. This process is carried out in two different ways: anabolic and catabolic. The catabolic breaks down large chemical compounds while anabolic synthesizes components to create larger molecules. Respiration provides energy for these reactions‚ and respiration needs oxygen to occur. Thus‚ calculating the change in oxygen can determine metabolic rate (University‚ 59). In this experiment‚ we will observe and analyze
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Define kinetic and potential energy. (Give biological examples). What are the two laws of thermodynamics? Give examples. What is entropy and what is the law of entropy? How do living things resist the law of entropy? Give biological examples. Define metabolism‚ catabolism and anabolism. What is free energy? What is an exergonic and endergonic reaction? What is G for these two reactions? What are the characteristics of each of these reactions? Define the ATP/ADP cycle. What is a coupled reaction? What
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004 calories of energy = 0.0024 cal/min B. 0.0024 x 60 x 24 = 3.456 ~ 3.5 cal/day 4) 3.5 x 70‚000 = 245‚000 16 x X = 16x 245‚000 / 16x = 15‚312.5 ~ 15‚ 313cal/day D) My belief was that the mouse being much smaller‚ would have less oxygen consumption‚ yet fast metabolic rate. My hypothesis was supported because through the lab‚ it became known that the mouse only consumed 60 0 /min which meant they only use 3.5cal/day compared to our use of 2‚000 calories a day. No doubt
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