testing these plants molecular and structural traits to see which one is closely related to the Botana Curus ‚ using microscopes simulated electrophoresis and much more. MATERIALS: The materials we used : 1) The Lab packet 2) Foam cups 3) Chromatography paper 4) Pen or Pencil 5) Microscope slides for species x ‚y ‚z ‚and the Botana Curus 6) Microtip dropper 7) Plant extract 8) Microscope 9) H2O Procedures:
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To prepare the solution‚ 4 mL of 80% acetone was pipetted into a test tube‚ and five drops of the top layer of the pigment extract from the first experiment was combined with the acetone. The test tube was inverted until thoroughly mixed. Then a test tube containing 4 mL of 80% acetone was created to blank the spectrophotometer at 380 nm. The absorbance of the tube with
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photosynthesis will be larger. Plants can absorb and use light energy because they have a green pigment‚ chlorophyll‚ contained in the chloroplasts in some of their cells. Chlorophyll allows the energy in sunlight to drive chemical reactions. Chloroplasts act as a energy transducers‚ converting light energy into chemical energy. So as the plant has more light the chlorophyll inside the chloroplasts can react faster absorbing in more light for food and energy. The equation for photosynthesis can
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make sugar. The process of photosynthesis takes place in the chloroplasts‚ specifically using chlorophyll‚ the green pigment involved in photosynthesis. Photosynthesis takes place primarily in plant leaves‚ and little to none occurs in stems‚ etc. The parts of a typical leaf include the upper and lower epidermis‚ the mesophyll‚ the vascular bundle(s) (veins)‚ and the stomates. The upper and lower epidermal cells do not have chloroplasts‚ thus photosynthesis does not occur there. They serve primarily
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experiment we used paper chromatography to determine the amount of chlorophyll a‚ chlorophyll b‚ xanthophyll‚ and beta-carotene in a tube of blended leaf extract. We recorded our findings on the table labeled table 1. Table 1 shows the transmittance at each wavelength on a table from 400 to 720. The information on Figure 1 came from the leaf extract on the paper chromatography that we used; with the help of acetone we saw the spectrum and the differences of the different pigments. Percentage transmittance
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please visit the Course Information sectionChlorophyll and Accessory Pigments A pigment is any substance that absorbs light. The color we see comes from the wavelengths of light that reflect. Chlorophyll‚ the green pigment common to all photosynthetic cells‚ absorbs all wavelengths of visible light except green. The green reflects back to our eyes. Black pigments absorb all of the visible wavelengths that strike them. White pigments reflect all or almost all of the wavelengths striking them. Each
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expense of that organism * Phyla based on locomotion Plant-like= Algae * 6 phyla based on their chloroplasts and pigments they have * Autotrophic: make their own food by photosynthesis * Some consume other organisms in the presence of light & other are symbiotic (live in other organisms- not necessarily beneficial for both parties) * Carry pigments in their chloroplast to carry out photosynthesis * Most common is chlorophyll which is typically green in colour *
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though‚ the human species wouldn’t exist. Along with every other plant or animal. Photosynthesis starts off the cycle‚ with light energy being trapped within the cell and transported into the chloroplast. Water and carbon dioxide follow the similar route of the light energy and as so is collected into the chloroplast. Photosynthesis tends to take place in two stages‚ light-dependent reactions and the Calvin cycle or otherwise known as the light dependent reactions. Which take place in the thylakoid membrane
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Bouvier‚ Dogbo‚ and Camara studied whether it is possible to produce bixin using the microorganism E.coli. Bixin is a pigment that is only synthesized naturally by the plant Bixa Orellana (from tropical America)‚ and it is the second pigment used in the world‚ for example in cosmetic‚ food‚ and pharmaceutical industries. The authors presumed that engineering genes in sink organs of plants presenting high amounts of lycopene could be an alternative to the natural occurring Bixin‚ which would be advantageous
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Electromagnetic energy‚ in the form of light‚ travels in wavelengths and is measured in nanometres (nm). Pigments within matter‚ such as plants‚ absorb varying wavelengths of light. The absorption spectrum can be defined as a graphical representation of a pigment’s ability to absorb light against varying wavelengths (nm). The pigments light absorbing ability is measured using a spectrophotometer. An action spectrum can be defined as the graphical representation of the rate of photosynthesis against
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