patients. The structure of bacteria plays a crucial role of what antibiotics works and which do not. The chemical reaction of the bacteria is also important. Most antibiotics alter or inhibit protein structure‚ inhibit transcription‚ inhibit translation‚ affect cell membrane structure‚ or alter cell-wall synthesis (1). Bacterial resistance is another pertinent medical reason for identification. The evolution of bacterial resistance has made treatment of diseases much more difficult. Therefore‚ it is important
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Section 33 Yeast Cell Respiration 10/04/2010 Part B: Explanation of Results All cells carry out the process of cell respiration in order to meet their energy needs. It is advantageous for cells to have the ability to metabolize different substrates. In this experiment‚ we investigated each sugar’s (glucose‚ lactose‚ sucrose‚ fructose‚ and lactose/lactaid) cell respiration rate. When referring to my group’s graph and data‚ glucose ended up with the highest respiration rate (1‚177.2 ppm/min)
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Reduced concentration of product available Increased concentration of substrate available A change in the pH Feedback mechanisms regulate the rate of enzyme activity‚ effectively turning off an enzyme in a reversible way until more product is needed. Which of the following would be most effective as a feedback mechanism Reduced concentration of product Increased concentration of substrate A change in pH Temporary binding of a non-substrate molecule in the active site Which of the following statements is
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The methylene blue staining procedure is used to measure yeast viability based on the assumption that the methylene blue will enter the cells and be broken down by living yeast cells that produce the enzymes which breaks down methylene blue‚ leaving the cells colourless. The non- viable cells do not produce this enzyme (or enzymes) and as such the methylene blue that enters the cells are undegraded causing the cells to remain coloured (the oxidized form concentrates intracellularly). The coloured
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Armadillium vulgare taxis response to different pH levels. Abstract The terrestrial isopod‚ Armadillium vulgare is commonly referred to as a slater or pill bug. Since transitioning from the sea to land and originally colonizing in Mediterranean regions‚ it has adapted throughout evolution to inhabit local microhabitats. The pill bug is bound by several parameters and also has specific requirements that need to be met for optimal biological functioning. As such‚ behavioural and physiological
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Cellular respiration is defined as a complex process in which food molecules are broken down to harvest chemical energy which is then stored in the chemical bonds of adenosine triphosphate (ATP). It is usually decided by the metabolic exercise and the equivalent amount of ATP discharge. As long as the extracellular O2 pressure surpass a demanding value ranging from 3-6 torr‚ studies have proof that cellular oxygen uptake stay permanently autonomous of oxygen tension. When the carbon-hydrogen bonds
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Cellular Respiration Purpose The purpose of this experiment was to determine the effect of body mass and temperature on the rate of respiration in the mouse. Hypothesis When the temperature is reduced‚ cellular respiration will increase. Measurement Weight the mouse and use soda lime for mouse to perspire. Oxygen was inhaled and carbon dioxide was exhaled. Carbon dioxide was absorbed by soda lime. Rate of respiration was measured in terms of ml of oxygen per min over grams. General
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and out‚ comes in and leaves as heat 3. What are the 4 most important elements in the human body? C‚ O‚ N‚ H 4. Draw the periodic square for Helium. How many valence electrons does it have? How do you figure this out using the periodic table? Two valence e-‚ 23He‚ all the way right full shell only holds two electrons 5. What is an isotope? How are they used? Different number of neutrons‚ used in biological research (radioactive) 6. Describe the 4 main types of bonds. Put them in order from strongest
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Gymnastics Vault and floor focus on energy conservation and motion in different dimensions. Before a vault or a tumbling pass‚ I start by running (about 60 feet for vault and 15 for floor) trying to attain maximum speed and acceleration right before I begin the first part of the skill. On vault‚ I try to be as efficient as possible in my hurdle to the springboard and transfer to the table‚ which I then push with my arms and shoulders to get one more energy boost before flying off the table. In
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Save and submit your assignment as: Matriculation No_ assignment 1.doc/PDF/docx. (e.g. U0xxx01B_Assignment01.docx) Assignment 1: Biological Sciences and Model Organisms (6%) Matriculation No.: A0101681R Name: Ramireddi Juhi Simanthika TA: (sorry couldn’t catch her name) 1. When a model organism is applied for researches‚ it has both advantages and disadvantages as they are described for M. musculus in the laboratory
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