"Chromatography of chloroplast pigments" Essays and Research Papers

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    permeable to water‚ gases and dissolved substances. (ii) A large central vacuole- it is a space filled with cell sap. The vacuole is often called sap vacuole and is surrounded by a membrane. It helps to maintain the shape of the cell. (iii) Chloroplasts- these are small structures lying in the cytoplasm. They contain the green

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    Photosynthesis

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    able to create its own food through photosynthesis (simple organic substances) Plants Heterotrophs An organism that “feeds” by absorbing complex organic substances. Animals/humans 8.2 Photosynthesis: An Overview Chlorophyll and Chloroplasts For Questions 1–6‚ complete each statement by writing the

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    Biologi Secondary 4

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    two amino acids they from dipeptides 9. The primary structure of a protein is the sequence of its amino acids. Further structures are controlled by the formation of weal hydrogen bonds and disulphide bridges between amino acids 10. In chromatography ‚ the amino acids can be identified by calculatoing the RF value 11. In reducing sugars are present in foods . benedict’s solution will turn form blue to a brick red on heating Carbohydrate | Insoluble | Forms fibrils | Reducing sugar

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    is divided into two parts. The first part is known as the light-dependent reactions which undergo in the thylakoid membrane of the chloroplast‚ and the second part is the calvin cycle which occurs in the chloroplast stroma. In order for a plant to undergo photosynthesis‚ it requires sunlight as its common source of energy. During the light dependent reactions‚ pigment and chlorophyll molecules in photosystems 1 and 2 absorb photons of light from the sun. The energy in photosystem 2 is used to excite

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    INVESTIGATE A FACTOR AFFECTING THE RATE OF PHOTOSYNTHESIS. Introduction Photosynthesis is a chemical reaction which takes place inside the green plants (plants with chlorophyll‚ a pigment found in chloroplasts which causes the colour of the plants and it is the main photosynthetic pigment) and light energy is converted into chemical energy. Carbon dioxide‚ water and sunlight is transformed into sugar an oxygen‚ which later will be used as energy for the plant. The chemical equation of photosynthesis

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    Cell Lab Report

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    STRUCTURE AND FUNCTION OF LIVING CELLS Name Answer the following questions as you work your way through the lab material typing in your answers. Then submit your completed lab report through the “Assignment” feature. This lab report is worth 50 points towards your final lab grade. Also‚ per the Honor Code‚ this work must be your own. CELLS Using your Biology Textbook answer the following questions. 1. What types of organisms are Prokaryotes? The Prokaryotes are organisms that are

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    sun’s light waves are absorbed and captured by the plant’s leaves to perform Photosynthesis. Photosynthesis occurs in organelles within plant leaves called chloroplasts. Chloroplasts contain chlorophyll‚ a light absorbing pigment that in different variations absorbs different wavelengths of light‚ as well as other light absorbing pigments like carotenoids and hydrocarbons (Campbell‚ 2008). Chlorophyll a and b along with carotenoids each have a different absorption spectrum that allows them to

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    Photosynthesis Photosynthesis is the process during which a plant’s chlorophyll traps light energy and sugars (glucose) are produced. In plants‚ photosynthesis occurs only in cells with chloroplasts. Water (H2O)‚ carbon dioxide (CO2) and light energy are required. The light energy is absorbed by the green pigment‚ chlorophyll‚ and is converted into chemical energy‚ which causes the water drawn from the soil to split into molecules of hydrogen and oxygen. The hydrogen combines with the carbon dioxide

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    SDS-PAGE analysis (hint- there are 4 ingredients). 3. [45pts]You purified protein X via affinity chromatography (no diafiltration step performed) and ran an SDS-PAGE gel of the sample with a set of controls. Below is the result of your SDS-PAGE analysis. 1 2 3 4 Figure 1. SDS-PAGE of purified protein X. Lane 1‚ Protein ladder (in Daltons). Lane 2‚ purified protein X (affinity chromatography). Lane 3‚ purified protein X (company manufactured). Lane 4‚ elution buffer. a. What is the benefit

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    AP Bio photosynthesis

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    oxidation and reduction. Photosynthesis takes water and carbon dioxide to make glucose and oxygen. Cellular respiration takes glucose and oxygen to make water and carbon dioxide. ● Chloroplasts have an outer and inner membrane. There is intermembrane space and thylakoid space. There is stroma and grana and thylakoid. Chloroplasts are found in mesophyll cells. ●The thylakoids is the part that most light energy is converted into chemical energy. Plants produce oxygen by photosynthesis and breaking the

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