Bioquímica Repaso Examen 1 Chapter 1: Introduction to Biochemistry 1.1 Biochemistry is a Modern Science • By synthesizing urea‚ Friedrich Wöhler showed that compounds found in living organisms could be made in the laboratory from inorganic substances. He used the inorganic compound ammonium cyanate. • Two major breakthroughs in the history of biochemistry are especially notable: o Roles of enzymes as catalysts o Roles of nucleic acids as information carrying molecules.
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Translation of the replicase-associated proteins (RP) than begins. As soon as these proteins have been synthesized‚ the replicase associates with the 3’ end of the + sense TMV RNA for the production of a negative sense RNA. The - sense RNA is the template to produce both full-length genomic + sense RNA as well as the + sense subgenomic RNAs (sgRNAs). The sgRNAs are translated by the host ribosomes to produce the movement protein (MP) (30 kDa) and the coat protein (CP). These virus particles are very
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There are four biological marcomolecules essential to the function of a cell: lipids‚ proteins‚ carbohydrates and nucleic acids. Proteins are made up of amino acids that have a carbon in the center of the structure with four chemical groups attached to the sides. Traditionally protein is understood to assist in the development of muscle in athletic people‚ but it actually functions as structural support‚ cell adhesion‚ transport for molecules‚ and cellular communication. Through dehydration synthesis
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Co(salen). The melting point of Co(salen) was138oC. Co(salen) was able to absorb 6.83x10-5mol of O2 Why? What chemistry is taking place? Introduction Heme proteins have been studied for years by scientists. Heme proteins contain a transition metal that can coordinate molecular oxygen. Examples of this can be found in myoglobin‚ hemoglobin proteins‚ copper containing hemocyanian and vanadium containing hemovanadin‚ these are all Essential for life. Myoglobin contains a porphyrin ring with an iron center
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code: BHS004-1 Assessment number: 2/5 Word count: You were given five samples of patients’ urine and some Uristix® dipstick. Describe how you used the dipsticks to determine if urine sample contained amounts of protein and / or glucose. To test the given samples for glucose or protein‚ dipsticks were immersed into each of the urine samples for 60 seconds. The colour change was compared with the colour chart on the Uristix® bottle. The detection of glucose in urine is based on the presence of
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membranes‚ which are lipid bilayers that contain proteins embedded in them. The regulation of passage through the membrane is due to selective membrane permeability - a characteristic of biological membranes which allows them to separate substances of distinct chemical nature. In other words‚ they can be permeable to certain substances but not to others. The movements of most solutes through the membrane are mediated by membrane transport proteins which are specialized to varying degrees in the transport
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functions. One of the main functions is to help in digestion. The largest solid organ in the body‚ situated in the upper part of the abdomen on the right side. The liver has a multitude of important and complex functions‚ including to manufacture proteins‚ including albumin (to help maintain the volume of blood) and blood clotting factors; to synthesize‚ store‚ and process fats‚ including fatty acids (used for energy) and cholesterol; to metabolize and store
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membrane (Zerboni et. al‚ 2014). It is predicted that viral envelope proteins interact with cell surface receptor such as manose-6-phosphate. After entry into the host cell the viron undergoes uncoating and protein 62 is produced. This protein is regarded as a transcription factor‚ therefore it must be produced and released before new protein synthesis can occur (Zerboni et. al‚ 2014). The virus codes for 3 immediate-early (IE) proteins that also play a role in regulating viral transcription by inhibiting
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single-stranded‚ genome with negative-sense‚ unsegmented‚ enveloped RNA virus (Fig. A). The genetic data is packaged as a ribonucleoprotein complex in which RNA is tightly bound by the viral nucleoprotein. The RNA genome of the virus encodes five proteins. The five proteins are
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BIO- FINAL EXAM REVEW SHEET This is a comprehensive review of material from exams 1-3. Please study your class notes/powerpoint slides and read the chapters listed in your syllabus to study for all new material. What are the characteristics of living organisms? Acquire and use energy Made up of other cells Process information Can replicate itself (can reproduce) Population evolves (they evolve) What are the characteristics of cells? Contain genetic information Can duplicate themselves
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