differentiating shape and structure through utilization of microscope. Procedure – Instructions followed as per procedure‚ specimens viewed through v-scope‚ using 10x‚ 20x‚ and 40x stained wet-mount. Observations compared amongst one another from cd-rom. Spirillum bacteria Bacillus Cheek Swab Yeast Analysis – Using the virtual microscope‚ the images seemed to be more clear and concise. Using the light microscope again for another experiment has increased my confidence
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The onion epidermal cell is transparent with a simple structure so it is a suitable cell for studying the effect of water loss on cells (2) Some specimens can be viewed directly underneath the microscope but putting a drop of water on the specimen can improve how the structures appear under microscope and also prevent the specimen from drying out on the slide (2). Adding water to the specimen is called wet mount. The liquid used in wet mount fills the space between the slides to support the specimen
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macroscopically (in a such a way as to be large enough to be visible to the naked eye; in a way which is comprehensive or is concerned with large units) and microscopically (Too small to be seen by the unaided eye but large enough to be studied under a microscope). When analyzing the hair macroscopically you should look at the length‚ color‚ sheen‚ whether it’s wavy or straight‚ and the presence or absence of follicle tissue or
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Microscope Parts & Function Parts of the Microscope |[pic] |1. Eyepiece |Contains a magnifying lens that focuses | | | |the image from the objective into your | | | |eye. | |
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Question: How does mitosis produce new cells‚ and how is mitosis the same and different? Materials: - Compound microscope - Alliums root slide - Whitefish embryo slide - Power supply Procedure: Refer to page 48 and 49 in the textbook. Results: See attached sheet for drawings of my results. Discussion: Analyze and interpret question 1 and 2 on page 49. 1. The cells in the root tip region of the alliums differ quite a bit from the cells that are found deeper in the root
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slide in order to see the different microbes and determine their cellular shape. Introduction The purpose of this lab was to become familiar with the light microscope and how to accurately use it to view specimens. The staining method was used to observe different cellular shapes. The exercises preformed using the light microscope were: magnification‚ slide preparation‚ and staining. The stain used in this lab was methylene blue‚ a common simple stain. The different types of specimens
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reasoning behind how this could produce a signal. We know that electromagnetic radiation is produced by accelerating charges. In the radio transmitter‚ electrons oscillate up and down and are thus accelerating. An electron will exert a force on another electron when they are some distance away‚ like charges repel. When the electron in the transmitter oscillates up and down‚ the direction of the force it exerts changes since the source of the force is moving. It takes some time for the change
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EXPERIMENT No. 3 Objective :- To prepare a temporary mount of a leaf peel to show stomata. B) Materials required :- Fresh leaves of plant‚ compound microscope‚ glass slides‚ cover slips‚ water‚ glycerine‚ safranine‚ blotting paper‚ needles‚ brush etc. C) Theory :- i) Stomata are minute pore present on the surface of the leaves. ii) Though they are found on both the upper and lower epidermis of the leaf‚ they are more in number on the lower
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scientist Antonie van Leeuwenhoek developed the first known microscope using a single magnifying lens. He was the first person to observe microscopic cells that we now know to be bacteria and blood cells. Leeuwenhoek shared the designs of his microscope‚ as well as his observations‚ with the scientific community. * Around 1655 the English scientist Robert Hooke used van Leeuwenhoek’s ideas and made the first compound light microscope‚ which used more than one lens to magnify an object. He examined
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BIO 131 Lab #2 Drawings of Animal and Plant Cells Instructions: 1. Set up light microscope for use. Handle with care. 2. Obtain a slide of animal cells and observe first under low-power (4X)‚ then under medium power (10X)‚ then finally switch to high-power (40X). 3. Make careful observations of the structure of the cells. 4. Draw what you see under high power on a sheet of paper. Place your drawing in a circle measuring 10-15 cm. Use only pencil‚ draw neat lines‚ do not shade. The title
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