Plant Cells Essays

  • the plant cell

    822 Words  | 2 Pages

    The Plant Cell Cell Wall Size: Around 1µ Basic Function: * Hold the shape of the cell. * Strengthen the cell. Covering the cell membrane of the plant cell, there is the cell wall. The cell wall is composed of two layers of rigid, hard cellulose embedded in compounds like pectin and lignin. Pores in the cell wall allow molecules to pass through. The cell wall has two parts. The primary cell wall is formed during the growth of the cell. After the cell has stopped growing, a secondary cell wall forms

  • Investigation of Osmosis in Plant Cells

    1328 Words  | 3 Pages

    Investigation of Osmosis in Plant Cells My aim is to investigate osmosis in plant cells. I will do this by carrying out an experiment to find out the percentage increase or decrease in mass (grams) of potato tube, placed in varying concentration of glucose. Background Information - The theory of Osmosis. Osmosis is a special case of diffusion that involves water. It is the movement of water molecules across a partially permeable membrane from a region of high water concentration to

  • Compariosn of Animal Cells and Plant Cells

    522 Words  | 2 Pages

    All plents eri medi ap uf doffirint plent cills. Plent cills eri cunsodirid iakeryutoc cills thiy hevi e naclias. Insodi e plent cill thi DNA os lucetid onsodi thi naclias. Thi naclias os besocelly e hiedqaertirs fur e iakeryutoc cill. It elsu sturis thi ginitoc onfurmetoun fur e cill. Orgenillis eri elsu lucetid onsodi plent cills. Thiy hevi ompurtent jubs onsodi thi cill thiy prudaci inirgy fur thi plent cill end thiy elsu prudaci inzymis end hurmuni. A plent cill hes e cill well whoch sarruands

  • Importance and Potential of Plant Cell Cultures

    877 Words  | 2 Pages

    Plants play a very important part in our lives. From time immemorial, mankind has been reliant on plants for food and shelter. Plants have also been known as an important source of secondary metabolites. These secondary metabolites have immense importance in various fields like pharmaceutical, biopesticides, agrochemicals etc. Plants have been known to provide innumerable medicinal drugs [1, 2]. Cell culture of plants is an appealing substitute for the whole plant for producing these highly useful

  • Plant And Animal Cells

    1495 Words  | 3 Pages

    Plant and Animal Cells I. Introduction All organisms in life are composed of at least one or more cells. Cells are the basic units of life. There are three main features of a cell. First, all organisms consist of one or more cells. Second, cells are the smallest units of life and third, cells arise only from preexisting cells. These three facts are referred to as the cell theory. All cells can be categorized into two basic cell types. They are prokaryotic and eukaryotic

  • Osmosis in Plant Cells

    845 Words  | 2 Pages

    Osmosis in Plant Cells Osmosis the diffusion of water molecules, during osmosis molecules move from a low sugar/salt concentration to a high sugar/salt concentration through a semi-permeable membrane. In this experiment, I am examining osmosis in plant cells. I am using potato chips because potatoes contain catalysts. My experiment involves soaking potato chips in different strengths of glucose solution to see if the mass of the potato chip changes. I predict that the mass will change according

  • The Effect of Osmosis in Plant Cells

    1395 Words  | 3 Pages

    The Effect of Osmosis in Plant Cells Introduction ============ Osmosis is the diffusion of water molecules across a partially permeable membrane, from a region of high concentration to a region of low concentration. The partially permeable membrane contains a series of small holes, allowing only water molecules to pass through, as shown in the diagram below. The glucose molecules (represented by red circles) are too big to fit through the membrane. As there are a greater number of water

  • Comparative Study: Animal Cells vs. Plant Cells

    972 Words  | 2 Pages

    Animal Cells vs. Plant Cells Introduction Cells are the basic units of life, and they can be found everywhere that you look and go. Most cells cannot be viewed without the aid of a microscope. Plant and animal cells are very different not only in their structure shape but in their functions as well. The diagrams found in the book on pages 65-66 are described as generalized cells that are used for study purposes (Mader & Windelspecht, 2016). According to Carl Woese, a professor of microbiology

  • Similarities between a Plant and Animal Cell

    610 Words  | 2 Pages

    What is a cell? According to Genetic Home Reference, “Cells are the basic building blocks of all living things.” There are two main branches in which a cell can be categorized. These branches are prokaryote and eukaryote. In the prokaryote category are bacteria; in the eukaryote category are plants and animals. Although plant and animal cells have a lot of differences, they also have their fair share of similarities. For instance, an animal cell has a centrosome, but so does a plant cell. An average

  • Investigating the Concentration of Plant Cell Sap Using Potato Tuber Cells

    787 Words  | 2 Pages

    Investigating the Concentration of Plant Cell Sap Using Potato Tuber Cells An experiment to work out the concentration of plant cell sap using potato tuber cells First of all and the most important are the safety precautions we will take throughout this experiment · Wear safety glasses to protect eyes · Handling the acids carefully · Careful while using kitchen knife (And all the simple things such as not running etc.) Another important aspect before we start is making the

  • Differences in the Cell Cycle Events between Animal, Plant, and Bacterial Cells

    799 Words  | 2 Pages

    Cell cycle events portray some differences between different living things. In all the three living things, their cells divide, a process referred to as mitosis. The mitosis stage differs and it encompasses four phases. During development, the cell cycle functions endlessly with newly created daughter cells directly embarking on their path to mitosis. Bacteria cells separate forming two cells after every thirty minutes under favorable conditions. However, the eukaryotic cells take quite longer compared

  • Lab Report Testing the Effects of Changing Surcrose Concentration on Osmosis in Plant Cells

    1287 Words  | 3 Pages

    Osmosis in Plant Cells Aim To investigate the effects of changing the sucrose concentration on osmosis in plant cells. Plan Water passes into cells through a special type of diffusion called osmosis. Water molecules diffuse through the membrane from a weak solution into a strong solution until the concentration is the same on both sides. A membrane that allows only certain molecules to pass through is called a semi-permeable membrane. In a plant, water passes from a weak cell sap solution

  • Investigate the Osmosis in Potato Rods in Various Concentrations of Salt Solutions

    2303 Words  | 5 Pages

    variables including concentration of salt solutions. When a plant cell is put in pure water it will become turgid and it will not burst due to the presence of a cell wall and a large permanent vacuole and when it is put in a concentrated solution it will be plasmolysed, on the other hand when an animal cell is put in pure water it will burst due to the absence of the cell wall which is only present in the plant cell and if is plant cell is put in a concentrated solution it will shrink. What is the

  • The Effect of Light on Photosynthesis

    969 Words  | 2 Pages

    The Effect of Light on Photosynthesis Plants need and use the same light of foods as animals but while animals have to eat other things to get their food, plants make it themselves. The way they do this is called photosynthesis. The other ways that plants are different from animals, such as having leaves and root or being green, they are all linked with photosynthesis. In photosynthesis, plants take carbon dioxide from the air and water from the soil, and use the energy from the sunlight

  • The Effect of Sodium Chloride on a Potato Chip

    1591 Words  | 4 Pages

    Sodium Chloride Molecule Plant cells always have a strong cell wall that surrounds them. When osmosis takes place, and they soak up water, they start to swell. However the cell wall stops them from bursting as it is made from cellulose, which is very strong. When plant cells are put into dilute solutions they become 'turgid', which means hard. Turgidity is important in plants, as it is this what makes plant stems strong and upright. Pressure inside the cell (when in dilute solutions)

  • The Effect of Wavelength on Photosynthesis Rate

    1354 Words  | 3 Pages

    blue is a highly absorbent color it also has a short wavelength so carries the most energy. The color to have the least photosynthetic rate will be green as although it has quiet a short wavelength so a lot of energy it will be reflected by the plant and not absorbed. Yellow and orange will have average photosynthetic rates although orange will be slightly more as it is more absorbent than yellow even low it has a longer wavelength and dose not carry as much energy as yellow would. Red will

  • The Importance of Dietary Fiber

    524 Words  | 2 Pages

    their lives, and so stripped it of an odd but essential ingredient called dietary fibre. Like its fellow carbohydrates, the various types of dietary fibre are the product of sunlight, water and carbon dioxide combining in green plants. Most form part of plant cell walls. But unlike the other carbohydrates, fibres do not break down into sugars in the human digestive system and then course through the blood stream fueling muscles and nerves. Rather, when eaten they tumble intact through the

  • Mitochondria And Chloroplast Essay

    571 Words  | 2 Pages

    the "powerhouse of the cell." The second is the chloroplast in plant cells that have functions similar to those of the mitochondria. What do these organelles do? What are the similarities and differences of these organelles? This essay will help you to understand these two fascinating organelles. II. Mitochondria Mitochondria are small cytoplasmic organelles. They are five to 10 micrometers long and one to .5 micrometers wide. They main function is to provide energy for cell activities. They house

  • How Osmosis affects Potato chips in Different Concentrations

    2689 Words  | 6 Pages

    concentration, until both sides have reached equilibrium. Plant cells always have a strong cell wall surrounding them. When they take up water by osmosis they start to swell, but the cell wall prevents them from bursting. Plant cells become "turgid" when they are put in dilute solutions. Turgid means swollen and hard. The pressure inside the cell rises and eventually the internal pressure of the cell is so high that no more water can enter the cell. This liquid or hydrostatic pressure works against

  • Solute Potential of Cell Sap of Plant Epidermal Cells

    558 Words  | 2 Pages

    Solute Potential of Cell Sap of Plant Epidermal Cells Aim: To estimate the solute potential of a plant tissue. Results: Molarity of Solution Plasmolysed Cells Percentage of Cells That Were Plasmolysed .3M 1/70 .01% .4M 0/70 0% .5M 5/70 7% .6M 12/70 17% .7M 29/70 41% 1.0M 56/70 80% It must be taken into account, that the experiments procedure was changed. This could have had a great affect on the results. The part of the procedure