• Stpm
    epidermal layer of the onion scale leaf. 2. Mount the epidermal layer in a drop of water on a slide. 3. Examine the specimen under a microscope. 4. Stain the onion scale leaf epidermis with iodine solution. Then examine the specimen under the microscope. 5. Draw the onion scale leaf epidermal...
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  • Biology
    structure and cell types of a stem cross-section can be observed under a microscope. Materials Exercise 9A: Transpiration The materials needed for this exercise were a pan of water, timer, a beaker containing water (heat sink), scissors, 1-mL pipette, a plant cutting, ring stand, clamps, clear...
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  • Notes
    or dissecting microscope, hand lens, slide, coverslip and razor /blade. Procedure : 1. 2. 3. Observe the differences in the external features of stem, leaf, root, flowers and seeds. To study the leaf, see their shape and venation i.e. parallel or reticulate. To study the roots, wash them properly...
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  • Photosynthesis
    it to dry well. j) Peel it off with a pair of blunt forceps, starting at one edge. k) Put a piece from each surface onto separate microscope slides in a drop of water. Examine under a microscope, using low power and high power magnification. l) Make labelled drawings include a scale...
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  • Aedrichness and Abundance of Insects
    and richness under a microscope. The results showed that the rainforest leaf litter of Mt Nebo was significantly richer in species than the leaf litter from the eucalypt forest of Mt Cootha. The mean average quantity of the most commonly found species from the two samples showed that the rainforest...
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  • Home
    magnification when using the lowest poer is x40. e. What is the total magnification of your microscope when using high power? The total magnification when using the highest power lens is x1000. What does an Onion look like under the microscope? SAFETY TIP - DANGER - * 1. Razor blades are...
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  • Biol Mc
    . All cells in a flowering plant have A. A nucleus. B. A cell membrane. C. A cell wall. D. Chloroplasts. 01 1. A student examines the epidermis of a leaf under the microscope. In order to observe more cells within the field of view, he should A. increase...
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  • Plant Cell
    . In the Hydrilla leaf, observed under the microscope, Cells were so distinct that the outline and the rectangular shape of the cells were clearly seen. Individual cell Middle lamella Chloroplasts 40x Cell wall limits cell size. As the cells begin to enlarge, a thin primary...
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  • Effect of Environmental Moisture Levels on Stomata Density in Privet Hedges
    surface. All else being equal, we hypothesize that within a species, a leaf should develop so that its stomata density is greater in plants grown in moist conditions—stomata density should be significantly higher in leaves of plants found in a wet location (growing under moist conditions) when...
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  • xylem bio
    . 3. Identify vascular tissue (xylem & phloem) as bundles with a hands lens. The dye, which will have moved up through xylem cells, will highlight the bundles. 4. Cut fine transverse sections of celery, place thin slice on slide, drop of water, cover with coverslip & view under microscope with x100...
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  • Lab Report - Plant and Animal Tissues
    · Microscope III. Procedure: Plant Tissues A. Meristematic Tissue 1. Obtain a slide of the longitudinal section of the root tip of Zea mays. 2. Focus the specimen under the scanner. 3. Draw the specimen. Include a brief description. B. Dermal Tissue 1. Obtain a leaf of...
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  • What Causes Dcip to Lose It's Color?
    for slides under microscope Sucrose Leaf Extract Ethanol Leaf Extract This is a picture of the sucrose leaf extract This is a picture of the ethanol leaf extract under the microscope at 10x magnification. under the microscope at 10x magnification. Discussion: Throughout this...
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  • The Onion Cell Lab
    The Onion Cell Lab Background: Onion tissue provides excellent cells to study under the microscope. The main cell structures are easy to see when viewed with the microscope at medium power. For example, you will observe a large circular nucleus in each cell, which contains the genetic material for...
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  • Bio Lab
    covered this with a cover slip. I observed the movement of the carmine molecules on low and high powers under the microscope. The next experiment we did was regarding diffusion through a selectively permeable membrane. I folded over three cm of the dialysis tubing at the end of a strip of it so it could...
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  • Photosynthesis
    appearance of the blood cells is recorded. Procedure 3 A mount of Elodea leaf is mounted on a slide and observed under the microscope. The appearance of the cell is recorded. Another mount of Elodea is prepared but in a 10% NaCl. After 2 to 3 minutes the leaf is observed under the microscope again and the appearance recorded....
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  • Mr.Mahmoud
    . ________________________ Laboratory activity: Observing onion cells. Before you can look at onion cells under the microscope, you must peel off a very thin layer: [pic] Q 8: Fill in the missing values. |Eyepiece |Objective lens |Total magnification | |× 5...
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  • Report
    days, a group member would observe the samples under a microscope and identify organisms found in the samples with a dichotomous key and record the organisms found. The results show that samples with more leaf litter have more organisms and therefore more biodiversity than the samples with less leaf...
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  • projects
    .) With forceps (tweezers) carefully peel the dry polish off of the leaf in one piece & place it flat onto a slide. Observe under the microscope, looking for structures similar to those shown in Figure 23-19, on p. 597 of your text. Draw & label what you see Estimate how many stomata...
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  • Osmosis
    :  Place a drop of distilled water on a clean glass slide.  With the use of a blade, cut a thin slice of the lower epidermal leaf (red violet in color) of the Rhoeo discolor.  Place the thin slice of the leaf on the glass slide with a cover slip and focus under LPO. Take note that the cytoplasm of the...
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  • should schools offer fast food
    coverslip 1 microscope lens paper various materials, such as a comic strip, human hair, leaf, etc. For each student 1 Student Sheet 35.1, “Microscope Review” (optional) 1 Student Sheet 35.2, “What Does Magnification Mean?” (optional) PROCEDURE Part One: Earning a License 1...
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