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...  Thromboxane is a member of the family of lipids known as eicosanoids. The two major thromboxanes are thromboxane A2 and thromboxane B2. The distinguishing feature of thromboxanes is a 6membered ether-containing ring. ...
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Bio302 Biochemistry II,

... the following statements are correct? a) tumbling will be more frequent b) tumbling will be less frequent c) The clockwise rotation of flagella will occur more frequently. d) The counterclockwise rotation of flagella will occur more frequentlly. Question 7. The methyl-accepting chemotaxis proteins a ...
Mathew Sebastian Biology 303 Term Paper Schlank: a gene that
Mathew Sebastian Biology 303 Term Paper Schlank: a gene that

... conserved nutrient-sensing systems. Because of the importance of homeostasis, there are several families of secreted peptide hormones that regulate and fine-balance carbohydrate and lipid metabolism to match specific energy requirements. When an organism is growing, there is an even more specific co ...
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7.6 Enzymes – summary of mark schemes

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... 5. For Hartnup’s disease neutral amino acids such as phenylalanine cannot be imported into intestinal epithelial cells. However, dipeptides that contain phenylalanine can be imported normally. This suggests that patients with Hartup’s disease a. have intestinal epithelial cells that lack amino acid ...
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... Next we assessed the effect of FXR activation on the cellular concentration of PA and found that stimulation of HepG2 cells with 1 nM GW4064 increased the production of PA in a timedependent manner, with a 3.7-fold increase observed after 72 h of stimulation (Figure 4A). The treatment with the DGK i ...
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Stepwise Accumulation of an Acid-extractable Protein Fraction in the
Stepwise Accumulation of an Acid-extractable Protein Fraction in the

... against an antibody for the comparable proteins from Schizosaccharomyces pombe was carried out by the double diffusion technique (Ouchterlony, I 964). Determination of the (time of nuclear division. Samples of asynchronous, exponentially growing yeasts were fixed with glacial acetic acid :ethanol (I ...
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... important for the general shape of the protein, essential scaffold that gives the surface its contours and chemical properties. • These areas are often the secondary structures and domains of the protein, that give it its 3dimensional shape – beta-sheets and alpha-helices. • Therefore, mistakes in t ...
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Ch15 Lect F09

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... 25. Exothermic and endothermic reactions 26. Importance, structure and function in metabolic reactions of ATP 27. Uses of ATP (chemical, mechanical and transport) 28. Enzyme structure, function, specificity 29. Induced fit model of enzyme function 30. Catalytic cycles (enzyme-substrate complex) 31. ...
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... – Hypertonic - more solute, less water – Hypotonic - less solute, more water – Isotonic - equal solute, equal water ...
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... Figure 2. Using the non-oxidative branch of the pentose pathway to produce ribose-5-phosphate for the nucleic acid pathways (Mode 1). ...
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Gene Section MST1R (Macrophage stimulating 1 receptor) Atlas of Genetics and Cytogenetics

... The ligand for RON is MSP. Originally, MSP was described as a serum factor enhancing the chemotactic response of murine peritoneal macrophage to the C5a fraction of complement, but RON/MSP complex has a much broader spectrum of activity. Ligand-stimulated RON activates the pathways regulating cell a ...
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Answer Key for Final Exam Practice Problems

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LS.3 Cellular Organization

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- Wiley Online Library

... been reported (Vannini et al., 2014), flagellar motility is not usually expected in an obligate intracellular organism. The Holospora genomes did not contain an entire flagellar apparatus, but only a protein annotated as flagellar motor protein (COG 1360) or chemotaxis protein MotB (KEGG: K02557), s ...
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Biochemical cascade

A biochemical cascade (or a signaling pathway) is a series of chemical reactions which are initiated by a stimulus (first messenger) acting on a receptor that is transduced to the cell interior through second messengers (which amplify the initial signal) and ultimately to effector molecules, resulting in a cell response to the initial stimulus. At each step of the signaling cascade, various controlling factors are involved to regulate cellular actions, responding effectively to cues about their changing internal and external environments.
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