Name: Brian Pinales Block: C 10/15/10 Cell WEBQUEST: An interactive journey into the cell! Answer the following questions. You do not have to answer these questions in complete sentences‚ but your answers should be complete with details and information! • Go to: http://askabiologist.asu.edu/research/buildingblocks/cellparts.html 1) How many different kinds of cells are in your body? 200 2) What parts of our bodies are
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Objectives for Lecture 9 Know the difference in resolution and magnification between light and electron microscopes. Understand the process of cell fractionation based on centrifugation and know what the purpose of cell fractionation is. Know what the differences in cell structure are between prokaryotic cells and eukaryotic cells Know that most eukaryotic cells are between 10-100 m in diameter‚ whereas most prokaryotic cells are about 1 m in diameter. Know the following terms‚ plasma
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produces a net of 2 ATP for the plant which is not enough for the cell to function while the Krebs cycle and electron transport chain produces a net of 36 ATP which makes the mitochondria the power house of the plant cell (Meyer and Millar‚ 2008). Mitochondrion is also an important organelle because it contains its own genome and can be transcribed
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acids‚ 2 NADH * GLYCOLYSIS CAN BE DONE WITH OR WITHOUT OXYGEN * At this point‚ the cell can either continue anaerobically or switch to TRUE aerobic respiration Formation of Acetyl CoA * When oxygen is present‚ pyruvic acid enters the mitochondrion 1. Each pyruvic acid (2) converted to Acetyl CoA (2) 2. Co2 (2) is released 3. 2 NADH made (still in cytoplasm) Krebs Cycle * aka CITRIC ACID CYCLE‚ takes place in Mitochondrial Matrix * Acetyl CoA enters the cycle one at
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Bio 93 Review Sheet: 1. Understand all the THEMES presented in the introductory lecture (lec 1). 2. What is an open system? Energy in 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
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Taxonomy ultimately comes down to questions of origins. Some of the beginning of certain groups is surprisingly straightforward. Some involved steady adoptions to solely changing environment and conditions. In other situations dramatic changed in the conditions seem to force sudden and noteworthy changes to the evolution. And sometimes‚ a gigantic event makes a big splash in evolution. The origin of eukaryotes appears to have been a big splash in the form of endosymbiosis‚ a condition in which different
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Adenosine Triphosphate Adenosine triphosphate (ATP) is considered by biologists to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we do. It is present in the cytoplasm and nucleoplasm of every cell‚ and essentially all the physiological mechanisms that require energy for operation obtain it directly from the stored ATP. (Guyton) As food in the cells is gradually oxidized‚ the released energy is used to re-form the ATP so
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Report: Part I Due by: 11:59 PM PST on the second Saturday of class Virtual Lab 1: Virtual Microscopy A. Estimate the size (length and width) of these microscopic objects in micrometers (microns): 1. An E. Coli cell. 3 x 0.6 um =1.8 um 2 A mitochondrion. 4 x 0.8 um = 3.2 um 3. A Red blood cell. 8 um 4. A virus. _Hepatitis 45 nm = .045 um 5. A water molecule. 275 pm =.275 um B. 1 Describe three differences between prokaryotic and eukaryotic cells. Prokaryotic don’t have a nucleus and their cell
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Enzyme Report Case 1 - Hereditary Fructose Intolerance 1 & 2. Enzymes take on a variety of roles in the human body at the cellular level. Specifically‚ they aid in the breakdown of macronutrients such as glucose and fructose so that the body can use them. Although reactions within the body would occur without enzymes‚ enzymes provide control because the reaction is not needed all of the time. Enzymes function in specific environments such as temperature or pH; some enzymes are specific
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stages: glycolysis‚ the grooming phase‚ the citric acid cycle‚ and oxidative phosphorylation. The final two stages listed occur in the mitochondria. Part II 2. What are the consequences of a proton gradient and how could a gradient be used in the mitochondrion? List all the possibilities that come to mind. Protons have a strong positive charge. The electron transport chain that is part of the process of cellular respiration powers carrier protein “pumps” which actively transport H+ ions (single protons)
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