Discussion: 6. The ph solutions that were used were 2‚4‚7‚9 and 10. All of these solutions affected the beetroot‚ but the most acidic solutions were the ones that did the most damage to the membrane. This is because the ph affects the proteins within the phospho lipid bi-layer. The acidic ph breaks the hydrogen bonds therefore denaturing the proteins and allowing beetroot pigment to secrete form the cell. 7. The ethanol solutions that were used were 11%‚ 25% and 50% ethanol. The beetroot cell
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A REPORT ON Protein/ Peptide Drug delivery through Oral route Submitted in fulfillment of the Study in Advanced Topic (BITS G513) By S. Lakshmi Anusha (2008HS08605H) BIRLA INSTITUTE OF TECHNOLOGY & SCIENCE‚ PILANI HYDERABAD CAMPUS 29th April‚ 2013. 1 A REPORT ON Protein/ Peptide Drug delivery through Oral route Submitted in fulfillment of the Study in Advanced Topic (BITS G513) By S. Lakshmi Anusha (2008HS08605H) UNDER THE SUPERVISION OF Dr. Punna Rao Ravi Assistant Professor
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Cell Transport Mechanisms Essay There are two methods of moving molecules across the cell membrane‚ passive transport and active transport. Passive transport doesn’t use energy‚ while active transport does use energy. Passive transport allows molecules to move on their own according to natural laws of physics. The three types of passive transport mechanisms include diffusion‚ osmosis‚ and facilitated diffusion. Diffusion is the movement of materials from an area of most concentrated to
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permeable membrane form a region of high water concentration to a region of low water concentration until the concentration on both sides is equal. This means that osmosis is like diffusion involving water molecules. Osmosis occurs across a partially permeable membrane‚ with holes only small enough for water molecules to pass through and not larger ones like glucose. An example of a partially permeable membrane is visking tubing. Osmosis happens so that the concentration outside the membrane is equal
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the ability of each solution to permeate the membrane of the Beta vulgaris. • Beta vulgaris contains a beta cyanin which is a water-soluble red-pigment‚ which remains in a healthy vacuole surrounded by the tonoplast membrane. When we damage the tonoplast membrane and thus disrupt the vacuole‚ this red pigment spilled out into the solution and the solution turns red with a higher intensity of color proportionate to a higher amount of damage to the membrane. • Due to the three laws of diffusion across
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for the movement of substances across the plasma membrane‚ and to indicate the driving force for each. This may also be applied to the study of transport mechanisms in living membrane-bounded cells. Also‚ understanding of which way substances will move passively through a deferentially permeable membrane depending on the concentration differences. We used PhysioEx software to examine diffusion. In these experiments we used different sized membranes as well as NaCl‚ urea‚ glucose‚ albumin‚ powdered
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the adheren junctions‚ and modulate adhesion through dynamic interaction with the actin cytoskeleton. Homophilic binding occurs at the N-terminus‚ the domains that lie farthest from the membrane. These terminal domains form a knob and a nearby pocket‚ the cadherin molecules protruding from the opposite cell membrane bind by insertion of the knob of one domain into the pocket of the other. Classical cadherins‚ in particular‚ interact indirectly‚ and link with actin in the cytosolic domain with the help
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Fundamental of Cell Biology A cell is the basic unit of life‚ and all organisms are made up of one or many cells. One of the things that all cells have in common is a plasma membrane‚ it is also called as cell membrane as it is works as a barrier between the inner and outer surface of a cell. In animal cells‚ the plasma membrane is present in the outer most layer of the cell and in plant cell it is present just beneath the cell wall. It separates the contents of the cell from its outside environment
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of walls they have cell _____ and animal cells have cell membranes. (means thin ______) 8. Food Cells (made of cells and made from cells) a. Yogurt and cheese are made from milk‚ using bacteria and ____ cells. b. A refreshing beverage is just loaded with _____ cells. 9. The Cell Musical a. One small single cell is living ‚ it eats and grows and ______. And it undergoes Mitosis‚ that’s how one becomes ____. b. Outside the cell is a membrane that lets things _______. All cells they make up me and _____
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The effect temperature has on the cell membrane is that at low temperatures‚ the cell membrane becomes turgid (stiff‚ harder) in order to ’adapt’ to it’s new environment‚ making it harder for substances to pass/diffuse through it‚ at higher temperatures‚ the cell is softer‚ and more fluid like and when the temperature
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