Sample essays and suggested plans for content 1. The process of diffusion and its importance in living organisms Definition Fick’s Law Types of diffusion e.g. Facilitated diffusion‚ osmosis Gas exchange in unicells‚ fish‚ mammals and plants Digestion and absorption of products Exchange of materials between blood in capillaries and tissues e.g. placenta Transpiration‚ root pressure‚ water and ion uptake by roots Translocation and mass flow hypothesis Osmoregulation by blood and kidney‚ unicells
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Connective Tissue As the name implies‚ connective tissue serves a "connecting" function. It supports and binds other tissues. Unlike epithelial tissue‚ connective tissue typically has cells scattered throughout an extracellular matrix. Loose Connective Tissue In vertebrates‚ the most common type of connective tissue is loose connective tissue. It holds organs in place and attaches epithelial tissue to other underlying tissues. Loose connective tissue is named based on the "weave" and type
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the protons are not equal to the electrons ion the protons are not equal to the neutrons isotope atomic mass = mass of protons + neutrons changing the number of neutrons does not influece the mass or electrons atom behaviour is because of electrons hydrogen almost always loses its electron‚ leaving it a hydrogen ion taking away a negative charge creates a cation adding a negative charge creates an anion electronegativity is the ability to steal electrons electronegativity is influenced
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Hands On Approach to Diffusion and Osmosis Abstract A. Plant and Animal Cell Diffusion and Osmosis In this experiment we observed carmine powder to better understand the concept of Brownian motion and the role of molecular movement in diffusion. The particles continuously moved in a completely random fashion‚ and the smaller particles moved with more speed than the larger particles. B. Potato Core Experiment In this experiment we estimated the osmolarity of potato tuber tissue
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the ________ system controls brain and spinal cord central The ________ nervous system controls the skeletal muscles. autonomic parasympathetic afferent sympathetic somatic somatic The part of the peripheral nervous system that carries sensory information to the CNS is designated autonomic. motor. afferent. efferent. somatic. afferent The efferent division of the peripheral nervous system innervates: glandular cells heart muscle cells smooth muscle cells skeletal muscle cells All of
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“Bitched” The short story “The Three Day Blow” is a lengthy conversation between Nick Adams and his friend Bill‚ who comes and is jovial at the fact that Nick had just broken up with his girlfriend Marge. They spend their time drinking‚ and a conversation entails. Nick‚ understandably‚ is distraught and saddened by the fact that he has just broken up with Marge‚ and seeks Bill’s assurance that he in fact‚ has done the right thing. Bill does not disappoint‚ but assures and reassures Nick that
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Segregation had to be one of the most depressing times of our life. The bad part about it is that it hasn’t even died. It may not be as serious or strong as it was back in the 1960s‚ but segregation has never died. We all know of the old saying “Being too black for whites and Being too white for blacks” in the United States. A lot of individuals cannot speak upon this topic because of how strong it make start controversy. My question to you is‚ How is it possible for someone to be too much of their
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exercising. During acute exercise your muscle pliability increases which allows a greater range of movement which helps reduce injury. Acute exercise will cause muscle fibre micro tears. This is generally known as micro-trauma. The myosin heads and the actin filaments will be pulled from the myofibrils. This damage will cause a release of chemicals that cause the soreness after your period of exercise. The chemicals released also stimulate repair and growth in the area to rebuild the tears in the muscle
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Membranes were incubated with peroxidase-conjugated bovine anti-mouse IgG secondary antibody or peroxidase-conjugated goat anti-rabbit IgG (1:2000; Jackson Immuno Research Laboratories‚ West Grove‚ PA‚ USA) for 1 h at room temperature. The levels of β-actin (1:2000;Santa Cruz Biotechnology) and lamin A/C (nuclear fraction 1:500 Sigma-Aldrich‚ Milan‚ Italy) served as an internal control for protein loading. The relative expression of the protein bands of IkB-α (37 kDa)‚ NF-κB p65 (65 kDa)‚ iNOS (130
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would get in the way of his goals. In 1628 he defeated a Huguenot rebellion and although they were banned from military service‚ he allowed them to take part in their religious activities. By 1931 he bought a halt to the Huguenot and their rebellion actins to an end. Since Richelieu knew that he had power he over through all the old officials and put new people into the
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