The Muscular System: Muscle Metabolism 1. List the three roles of ATP in muscle contraction: 1.Energize 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 2. The potential energy in ATP is released when the terminal high-energy bond is broken by a process called Write the end products of this process: ATP (+ H2O) ______ADP___________ 3. Rebuilding ADP into ATP with
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‘Betting on Cilia’‚ News Focus‚ vol. 310‚ no. 5746‚ pp. 216-218. Hernandez-Hernandez‚ V‚ Pravincumar‚ P‚ Diaz-Font‚ A‚ May-Simera‚ H‚ Jenkins‚ D‚ Knight‚ M & Beales‚ P 2013‚ ‘Bardet–Biedl syndrome proteins control the cilia length through regulation of actin polymerization’‚ Human Molecular Genetics‚ vol. 22‚ no. 19‚ pp. 3858-3868. Linck‚ R 2009‚ ‘Cilia and Flagella’‚ Encyclopedia of Life Sciences‚ University of Minnesota. Lindermann‚ C & Lesich‚ K 2010‚ ‘Flagellar and ciliary beating: the proven and the
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Introduction Zoonotic intestinal parasites are prevalent around the world. One of the most common and studied is transmitted by the microscopic protozoan‚ Giardia intestinalis‚ also known as G. lamblia and G. duodenalis (Ivanov‚ 2010). This eukaryotic parasite is responsible for the transmission of the most common waterborne disease‚ giardiasis‚ which causes watery diarrhea‚ vomiting‚ and has even been linked to irritable bowl syndrome (Ankarklev et. al. 2010). Since its discovery in 1681‚ Giardia
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Physiology Chooljian Lecture Exam #3 Review FIRST: Be sure to: Study chapter objectives‚ summaries‚ and reviews Review your lecture notes ANS Define: denervation hypersensitivity‚ ganglia‚ mass activation‚ sympathoadrenal system‚ dual innervation. What are the two divisions of the ANS? Where are the neurons for each division located‚ and what is the major function of each division? What type of neurons (sensory or motor) are in the ANS? What are the names for the two
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RACHEL What is strategy? Strategy is the ideas‚ decisions‚ and actins that enable a firm to succeed. What strategic problems does Robin Hood have? Robin Hood is the leader of the band which was growing in size; he is not on the same side as the sheriff of Nottingham who happens to have the power to take over his band of Merrymen and has high connections in that land. And since Robin Hood is in charge of his men‚ he needs to be sure they have money. He is low on funds and does not know what
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calcium current into cells‚ decrease calcium efflux from cells‚ increase cellular permeability to calcium‚ or decrease sarcoplasmic reticulum reuptake of intracellular released calcium. Intracellular accumulation of calcium causes the activation of actin-myosin contractile proteins‚ which enhanced vascular tone and total peripheral
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Lab 4 – The Cell Answer Key Procedure 4.3 Draw a picture of a single Elodea cell and label all visible structures. See the diagram in your lab manual. Without staining‚ the only structures that should have been clearly visible should have been the cell walls and the green chloroplasts. Is this cell prokaryotic or eukaryotic? ______Eukaryotic_______________________ What evidence do you have to support this claim? The presence of organelles (chloroplasts) and its large size.
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appearance:Your hair‚ your nails‚ and the outer layers of your skin are made of the protein keratin. Keratin is ascleroprotein‚ or a protein resistant to digestive enzymes. So if you bite your nails‚ you can’t digest them.Muscle tissue contains myosin‚ actin‚ myoglobin‚ and a number of other proteins.Bone has plenty of protein. The outer part of bone is hardened with minerals such as calcium‚ but the basic‚ rubbery inner structure is protein; and bone marrow‚ the soft material inside the bone‚ also contains
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eucaryotes) evolutionary model emerged from studies of the sequence of non coding RNA (t-RNA & r-RNA) 5. Capable of autonomous relication Prokaryotes show the greatest biochemical diversity Animal cell: Dormant Fibroblast ( know structures of cell) Actin filaments- cell shape and motility Microtubules- vesicle delivery and mitosis Intermediate filament- mechanical stability Eukaryotes sequester DNA into a nuclear compartment 1. Regulates access to DNA 2. DNA replication 3. Transcrription Endomplasmic
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each pole.” [2] In Telophase the chromosomes has reached poles and the microtubules disappear. Nuclear envelopes also become evident around chromosomes and the cell begins to divide. A process called Cytokinesis splits the cells cytoplasm where an actin contractile ring tightens the middle region of the cell. This then develops two separate yet identical daughter cells‚ “the spindle fibres disintegrate‚ nuclear envelops are formed around the chromosomes in each cell and the chromatin returns to its
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