Phloem

Decent Essays
Improved Essays
Superior Essays
Great Essays
Brilliant Essays
    Page 3 of 4 - About 31 Essays
  • Great Essays

    Deciduous Tree Grafting Introduction The Apple Tree, or Malus pumila, is a deciduous tree in the rose family that is best known for its pome fruit, the apple. The most widely cultivated tree within the genus Malus, the Apple Tree has been grown for thousands of years in Asia and Europe and was brought to North America by European Colonists in the 17th century. In 1625, the first apple orchard in North America was planted within the Boston area by Reverend William Blaxton. Typically, a…

    • 1256 Words
    • 6 Pages
    Great Essays
  • Improved Essays

    Photosynthesis Lab

    • 1266 Words
    • 6 Pages

    is the secondary site of photosynthesis and is spaced apart to allow carbon dioxide and oxygen to reach the palisade cells. The third part of the mesophyll, vascular tissue, transports water and nutrients throughout the leaf and contains xylem and phloem cells. The lower epidermis contains openings for gas exchange called stomata and guard cells that regulate the opening and closing of the stomata. Within the mesophyll are chloroplasts, which are mostly made up of empty space called the…

    • 1266 Words
    • 6 Pages
    Improved Essays
  • Improved Essays

    The structure and function of carbohydrates (25 Marks) Carbohydrates are made from Carbon (C), Hydrogen (H) and Oxygen (O). A monosaccharide is the monomer sub unit of carbohydrates and can be joined together through a condensation reaction to form a glycosidic bond between the two monomers which is known as a disaccharide. The above diagram shows a condensation reaction taking place. There is a reaction between two monomer sub units, in this case α-glucose and ethanol, which involves the…

    • 1564 Words
    • 7 Pages
    Improved Essays
  • Superior Essays

    Where did phosphite come from? During WWII, rock phosphate was used as a white phosphorus incendiary and smoke screen. The shortage of rock phosphate concerned ag-officials and they began to look for alternative sources of phosphorus fertilizers. As a result, phosphonates were first considered as fertilizers in Germany and the United States during the 1930s and '40s. Rock phosphate is the beginning of most commercially made phosphorus products in the market today. Without the phosphate, many…

    • 1288 Words
    • 6 Pages
    Superior Essays
  • Superior Essays

    is not routinely possible in any higher plant.(3) Mosses are situated under the division Bryophyta which are non vascular plants, lacking true stems, seeds, leaves and roots as compared to Tracheophytes, (vascular plants) which contain xylem and phloem.(1) Mosses are one of the oldest groups…

    • 1246 Words
    • 5 Pages
    Superior Essays
  • Superior Essays

    Strawberry Guava Essay

    • 1722 Words
    • 7 Pages

    Strawberry guava, Psidium cattleianum Sabine, is valued by the general public of Hawaii for its ornamental characteristics and fruit, which is frequently prepared into jams, jellies, juices, cakes, and pastries. However, due to false advertising and commercialization, guava as well as coffee, macadamia, passion fruit, and pineapples are seen as icons of Hawaii, yet they aren’t native to Hawaii. Even though these species aren’t native to Hawaii, coffee, macadamia, passion fruit, and pineapples do…

    • 1722 Words
    • 7 Pages
    Superior Essays
  • Great Essays

    The larvae will tunnel through the bark and into the tree in search of food, cutting off the tree’s pathway of water and nutrients while doing so. EAB kills its host tree by consuming the and phloem tissues that transport water and nutrients throughout the tree. In a time as short as one year, an ash tree can go from healthy to dead due to these parasites. So what is the concern with these pests? Ash trees are one of the most popular tree species…

    • 1529 Words
    • 7 Pages
    Great Essays
  • Superior Essays

    Pectin Essay

    • 1379 Words
    • 6 Pages

    1.3. Nutritional Aspects of Pectin: Pectin plays significant industrial roles in different fields. Its physical and chemical properties make it a valuable material in the food and pharmaceutical industries (May, 1990) (21). 1.3.1. Source of dietary fiber: The fruits and vegetables which are specially rich in pectins have dietary fiber contents in the range of 1-2%.Pectin fibers have higher hydration properties than other fibers and this property is exploited in its use as a constitutional…

    • 1379 Words
    • 6 Pages
    Superior Essays
  • Great Essays

    through the sieve tubes (“Physiology of plant movements,” n.d.). Sieve tubes are a network of sieve elements, that connect throughout the plant. Each sieve element lacks a nucleus, so it cannot sustain itself without an ever present companion cell (“The Phloem,” n.d.). Seismic waves travel through these tubes, altering the entirety of a plant to a threat in less than two seconds, changing auxin levels once again within the pulvinus. (“Physiology of plant movements,”…

    • 1742 Words
    • 7 Pages
    Great Essays
  • Great Essays

    Photosynthesis Photosynthesis is one the most important life processes that happens on earth. It is the process plants use to create their own food by converting water and carbon dioxide into glucose and oxygen using light energy. The chemical equation for photosynthesis is 6 CO2 + 6 H2O → C6H12O6 + 6 O2. There are many things in the environment however that can help or hinder this process. In this report I will be explaining 3 structures in the leaf that allow it to carry out photosynthesis,…

    • 1904 Words
    • 8 Pages
    Great Essays
  • Page 1 2 3 4