Photosynthetic pigments Essays

  • Photosynthetic Pigments Lab Report

    1294 Words  | 6 Pages

    Linh Dinh; Omar Cherif; Alexandra Olsson IB2G/IB2B Dr. Young Photosynthetic Pigments Lab Report December 1, 2014 Photosynthetic Pigments Lab The aim of this lab is to separate photosynthetic pigments by chromatography, a method used to separate the components of a mixture, and to measure each pigment’s Rf value. There are different types of chromatography, and the one which this lab focuses on is paper chromatography. The components of the mixture, in this case, spinach leaves mixed with acetone

  • Colored Light Absorption Lab Report

    825 Words  | 4 Pages

    Grishma Patel Chloroplast Pigments and Colored Light Absorption Summary The purpose of executing this lab was to see how different wavelengths and colors of light are absorbed by chloroplast pigments. The goal was to see the variations of light dependant reactions of photosynthesis based on different types of light. Spinach was used by grinding it with acetone and acquire the thylakoids used in the experiment. DCIP was used in this experiment as the oxidizing agent that will turn blue to clear when

  • Photosynthetic Pigments Research Paper

    826 Words  | 4 Pages

    each compound from the beginning, or the benchmark, as for the dissolvable front itself is called as retention factor, Rf [1]. Photosynthetic Pigments,are the pigments that which used by plants for the absorbtion of the light. The major photosynthetic pigments of higher plants can be separated into two gatherings, the chlorophylls and the carotenoids. Both sorts of pigments are available in the subcellular organelles called

  • Blindness And Sight In Ralph Ellison's Invisible Man

    1483 Words  | 6 Pages

    In Ralph Ellison’s novel Invisible Man, the writer explores with the notion of invisibility as well as related ideas of blindness and sight. The novel covers a lot of the social problems that African-Americans faced in the early twentieth century. One of the problems that the black folk faced was being figuratively invisible to the white community which lead to oppression. By focusing on no more than two episodes from this novel I will elaborate on the manner in which invisibility is illustrated

  • How Does Tennessee Williams Present The Theme Of American Gothic

    838 Words  | 4 Pages

    Some critics felt that the issue of blacks in America addresses an obsessive national concern, especially concerning the ambiguity of relations between whites, on one hand, and blacks or Indians, on the other. Therefore it was considered that the main theme of American Gothic is slavery. Tennessee Williams, born in 1911 and grew up in the American South, came to see it as being hopelessly corrupted by racism. His plays offer a devastating portrait of the prejudices of his native region. Even if

  • Girl With A Pearl Earring Gender Analysis

    1580 Words  | 7 Pages

    In both Girl With A Pearl Earring and Snow White, the men are seen doing the hard work while women do easier tasks. The type of work each gender does exhibits the stereotype that men are strong and capable while women are inadequate of doing challenging tasks. In Girl With A Pearl Earring, Griet shows a strong interest in Vermeer’s paintings. Her fascination causes Vermeer to make her grind many objects, which are then used to make a variety of paint colors. Some of these objects include ivory, white

  • Ideology Of Femininity

    1284 Words  | 6 Pages

    Introduction The media’s role in ‘selling’ femininity and what it takes to be a woman varies across mediums. Femininity within a patriarchal society tends to be looked down upon and regarded as weak and situated on the opposite end on the scale when looking at power and gender empowerment. Femininity can be understood in various ways, subject to the source’s cultural understanding, through a particular medium. Advertisements in particular, define femininity according to the target market of that

  • Watercolor Paper Outline

    305 Words  | 2 Pages

    Appearance: The paper palette is a regular wooden palette with a couple of layers of watercolor paper on top. From the wooden palette to the watercolor paper there is hot glue ( gorilla glue ) to keep the watercolor paper from sliding off the wooden palette. The watercolor paper is in the same shape as the wooden palette. On one side of the watercolor paper there is glue, to keep in place of all the watercolor paper. ( once again the watercolor paper is attached just to the

  • Of Cyanobacteria Using The Electrophoresis And Thin Layer Chromatography

    500 Words  | 2 Pages

    Analysis of photosynthetic pigments Photosynthetic pigments are pigments that absorb light at a specific wavelength, giving a unique color.  Carotenoids, chlorophylls, and phycobiliproteins are the three primary pigments involved in the process of photosynthesis, converting light energy into sugar. Cyanobacteria, known before as blue-green algae, perform photosynthesis. Bacteria can use multiple dyes. Although cyanobacteria mainly use chlorophyll (green) and phycocyanin (blue), it also contains carotene

  • Photosynthesis Lab

    538 Words  | 3 Pages

    Photosynthesis stuff James Harris   Introduction This study hopes to determine which photosynthetic pigments are prevalent in spinach plants. These pigments help to carry out the function of photosynthesis which is the process of utilizing light energy to construct sugars. They assist photosynthesis by absorbing light of specific wave lengths. This process leads to the production of one of the most basic forms of energy on our planet. Both light and dark reactions take place during photosynthesis

  • Photosynthetic Rate Lab Report

    552 Words  | 3 Pages

    Effects Bean Plants Photosynthetic Rate Tristen Webber Introduction In this study I measured the growth of a bean plant over 13 days and then measured the photosynthetic rate by measuring the amount of chlorophyll a in the leaves of the plants. Photosynthesis is the process of plants creating glucose from, water, carbon dioxide and sunlight. Photosynthesis depends on the absorption of light from pigments in the plants leaves. I tested how calcium would affect the photosynthetic rate of the bean

  • Cell Structure Function Lab Report

    971 Words  | 4 Pages

    Viewing structure in relation to its function holistically we see that the structure of an object defines its function i.e. a table has a flat surface for objects to be placed on it. Just like in biology almost all structures within a cell, molecule or organ play an important role in relation to its function. From the larger sizes, such as tubular organs to smaller in size, for example, microscopic organelles will explore the importance of the structure-function relationship. There are different

  • Photosynthesis Lab

    264 Words  | 2 Pages

    their energy from a process called photosynthesis, which occurs in organelles called chloroplasts. Chloroplasts contained multiple colored pigments that aid in the photosynthetic process. There are two types of colored pigments: yellow pigments or carotenoids, and green pigments or chlorophylls. Both categories of pigments also include other types of pigments and all are essential for carrying out photosynthesis and each have a role for helping plants receive energy (Pavia et al 208). In this experiment

  • Spinach Leaf Chromatography Lab Report

    1386 Words  | 6 Pages

    Chromatography Lab Riley Borklund Table 5, Seat 2A Lab Partners: Martin, Katherine, and Dakari Honors Biology, Mrs. Semaan January 5, 2016 Abstract: The purpose of this lab is to find what pigments are in a spinach leaf. The only pigments visible to the eye are chlorophyll a and chlorophyll b. We know this because chlorophyll reflects the green wavelength of light and shows us that it is present. We also, however, wanted to know what else is present in the spinach leaf. The way we found

  • Chloroplast Research Paper

    338 Words  | 2 Pages

    carbon dioxide in a process called photosynthesis, to make sugar and release oxygen, chloroplasts can convert sunlight into usable chemical energy for the cell. Chloroplasts are only found in photoautotrophs, which are primary producers such as, photosynthetic algae and plant cells. All of the other organisms that are consumers depend on photoautotrophs or on organisms that get their energy from producers. Animal cells do not have or need chloroplasts. The length of a chloroplast is around 3 to 6 micrometers

  • Chloropyrin Research Paper

    273 Words  | 2 Pages

    in CO2. Magnesium-containing compounds are necessary for photosynthetic processes in order to convert carbon dioxide and water into glucose. Plants are green due to the green pigments called chlorophyll which contains a flat planar ring structure called porphyrin. Porphyrin can also be found in cytochromes, haemoglobin, and the oxygen storage myoglobin. Chlorophyll a, the most common form of chlorophyll, is contained within all photosynthetic organisms which absorbs light from violet-blue and orange-red

  • Camium Stress On Algae Research Paper

    1714 Words  | 7 Pages

    to detect still with the highly sensitivity method. But due to the exposure of Cd there appeared a lot of effects like damage of dictyosomes, loss in photosynthetic activities along with disturbance in ultrastructure and ROS production. Cd effected in blue green algae as like as in other plants, rupture of membrane and destruction in photosynthetic

  • Light Intensity Experiment

    1685 Words  | 7 Pages

    sections of biology and has always interested me. This process is affected by many aspects which drove me to question if one can identify the effect of high and low light intensity specifically from leaves on any plant. The structure, dimensions and pigments of a leaf should (theoretically) all be indicators of the type of light intensity environment the plant is situated in. Light intensity is one of the factors affecting the rate of photosynthesis. Other factors are concentration of carbon dioxide

  • Photosynthesis Lab Report

    1615 Words  | 7 Pages

    Photosynthesis Abstract The purpose of this experiment was to determine whether film on white light had an impact on the transmittance percentage and to establish whether the film's color was relevant to the outcomes. In this experiment, the photosynthetic absorbance of spinach thylakoids was measured using a spectrophotometer. The hypothesis was that white light would have the highest transmittance percentage compared to green film on white light and red film on white light. Introduction Photosynthesis

  • Lycopene Lab Report

    400 Words  | 2 Pages

    Introduction Carotenoids are pigments that are found mainly in chloroplasts of plants and in some photosynthetic organisms. They are synthesised naturally in plants in order to absorb light during photosynthesis and protect plants against photosensitization. They are found in our diet, through eating fruit and vegetables and many serve as an important source of vitamin A in our diets, such as ß-carotene. The structure of the molecule determines the colour, photochemical properties, vitamin activity