"To study the effect of different brands of mouth rinse on the permeability of the membranes of beetroot tissue" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 5 of 50 - About 500 Essays
  • Good Essays

    Investigating the effect of temperature on plant cell membranes The purpose of this activity is: • to practise experimental and investigative skills • to investigate the effect of temperature on cell membrane structures Procedure SAFETY: Always carry scalpels clasped to a tile and with the tip pointing away from you. Beetroot cells contain pigments called betalains that give the tissue its dark purple-red colour. The pigment is contained in the cell vacuole. Investigation

    Premium Temperature Heat Thermodynamics

    • 804 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    Materials & Methods Brook trout blood was used throughout our experiment as our erythrocyte suspension‚ which consisted of ten drops of fish blood in a test tube containing 10mL of 0.7% NaCl. Eleven other solutions‚ (erythritol‚ xylose‚ monacetin‚ diacetin‚ triacetin‚ urea‚ thiourea‚ glycerol‚ ethylene glycol‚ glucose and fructose) all isosmotic but not necessarily isotonic with the cytoplasm of the erythrocyte‚ were combined with a 0.2mL of well-mixed stock suspension were added to 0.27M of each

    Premium Standard deviation Solution Statistics

    • 266 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Beetroot Experiment

    • 548 Words
    • 3 Pages

    the cells in the body. Thus‚ I decided to test my theory by adapting a class beetroot experiment to my investigation. The aim of this experiment is to investigate the effect of alcohol concentration on a biotic cell membrane. The human body cannot live long with damaged cells because they are the building blocks of life. Cell membranes are phospholipid bilayers meaning they are composed of lipids and proteins. The membrane-bound organelle‚ vacuole‚ in a cell is accustomed to maintain structure and

    Premium Nutrition Vitamin C Skin

    • 548 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    impact of positive and negative word of mouth on brand purchase probability Robert East a‚⁎‚ Kathy Hammond b‚1‚ Wendy Lomax c‚2 a b c Kingston Business School‚ Kingston‚ KT2 7LB‚ UK Duke Corporate Education‚ 165 Fleet St‚ London‚ EC4A 2DY‚ UK Kingston Business School‚ Kingston‚ KT2 7LB‚ UK A R T I C L E I N F O Article history: First received in February 22‚ 2008 and was under review for 5 months Keywords: Word of mouth Impact Brand commitment Familiarity NPS A B S T

    Premium Regression analysis Linear regression

    • 9049 Words
    • 37 Pages
    Powerful Essays
  • Better Essays

    Aim: This experiment aims to determine what effect an increase in the surrounding temperature has on the plasma membrane of a typical plant cell structure. Hypothesis: An increase in temperature will damage and denature the plasma membrane and cause the cytoplasm and other substances contained within the membrane to leak out. Introduction: The purpose of a cell membrane is to control the transport of substances moving into and out of a cell. The membrane is an extremely thin layer (8 to 10 manometers

    Premium Cell Cell wall Cell membrane

    • 1155 Words
    • 4 Pages
    Better Essays
  • Good Essays

    The Effect of Positive and Negative Word-Of-Mouth on Consumers’ Brand Evaluations Introduction Traditional word-of-mouth communication (WOM) is verbal testimonials between consumers about product performance‚ service quality and mode of operating. WOM may be negative (NWOM) or positive (PWOM) and both employ strong influences on a consumers brand evaluations‚ which is the decision process to evaluate alternative brands. Previous studies have found that PWOM is likely to intensify a consumer’s brand

    Premium Marketing Brand Advertising

    • 1227 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Y/N Resubmission Achieved Y/N P1 describe the organisation of the eukaryotic cell in terms of the functions of the organelles Y/N P2 describe the four different tissue types Y/N M1 use diagrams or micrographs to compare and contrast the four tissue types Y/N D1 explain the relationship between cells‚ tissues‚ organs and organ systems in the organisation of the human body Y/N Student Declaration I declare that this assignment is all my own work. All sources of

    Free Cell Endoplasmic reticulum Organelle

    • 728 Words
    • 3 Pages
    Good Essays
  • Good Essays

    stress that various alcohols have on biological membranes. Using five solutions of differing alcohol concentration for each of the three alcohols; methanol‚ ethanol‚ and 1-propanol and a small slice of beet‚ the stirred solution was placed into a plastic cuvette and then into a spectrophotometer and the absorbance of alcohol solutions were determined in order to conclude which alcohol and concentration of alcohol had the greatest effect on biological membranes. The results showed that the most non-polar

    Premium Cell membrane Alcohol Ethanol

    • 988 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    Beetroot Experiment

    • 1931 Words
    • 8 Pages

    What Effects Do Temperature And Standard Solution Have on a Beetroots Cell Membrane. Content: * Aim............................................................................................................. * Preliminary Work....................................................................................... * Hypothesis................................................................................................. * Risk Assessment.....................

    Premium Water Distillation Cell

    • 1931 Words
    • 8 Pages
    Powerful Essays
  • Good Essays

    Beetroot Pigment

    • 1093 Words
    • 5 Pages

    BEETROOT PIGMENTS - and membranes – These pigments are betalain pigments (not‚ as often thought‚ anthocyanins)‚ which they replace in some organisms. They are named after the Beet family of plants (Beta) but are also found in fungi (Fly Agaric - the red‚ spotted one!). In petals they presumably attract pollinating insects and may be present in seeds/fruits to encourage birds to eat them and so disperse the seeds. Man has selected for colour in beetroot‚ both because

    Premium Cell membrane Cell Betalain

    • 1093 Words
    • 5 Pages
    Good Essays
Page 1 2 3 4 5 6 7 8 9 50