You are studying amoebas and paramecia, two different single-celled protozoans. You have at your disposal a standard white light (known as "bright-field") microscope, a fluorescence microscope, a scanning electron microscope, and a transmission electron microscope. For each of the following studies, indicate which type of microscope would be most useful. Items (6 items) (Drag and drop into the appropriate area below) Take movies of unmanipulated cells swimming or crawling in a drop of water. Categories View three- dimensional images of the outer surface of a paramecium, including cilia. bright-field View cytoplasmic streaming (movement of organelles within the cytoplasm) in a paramecium. fluorescence Stain and visualize chromosomes and mitotic spindles in dividing amoebae. Visualize ribosomes in the cytosol and mitochondria of amoebas. scanning electron Use labeled antibodies to locate and make color images of lysosomes in both types of cell. transmission electron

You are studying amoebas and paramecia, two different single-celled protozoans. You have at your disposal a standard white light (known as "bright-field") microscope, a fluorescence microscope, a scanning electron microscope, and a transmission electron microscope. For each of the following studies, indicate which type of microscope would be most useful. Items (6 items) (Drag and drop into the appropriate area below) Take movies of unmanipulated cells swimming or crawling in a drop of water. Categories View three- dimensional images of the outer surface of a paramecium, including cilia. bright-field View cytoplasmic streaming (movement of organelles within the cytoplasm) in a paramecium. fluorescence Stain and visualize chromosomes and mitotic spindles in dividing amoebae. Visualize ribosomes in the cytosol and mitochondria of amoebas. scanning electron Use labeled antibodies to locate and make color images of lysosomes in both types of cell. transmission electron

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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What is a microscope? describe in 2-3 sentences
A lab technologist calibrates her microscope and finds that 7 stage divisions are equal to 38 ocular divisions. The entire scale on the stage micrometer is 1 mm long and has 100 equal divisions. The technologist measures a coccus-shaped cell and determines that the cell is 4 ocular divisions in length. What is the length of this cell in µm? Show all calculations.
Light microscope and electron microscope, what is the difference
Imagine you are using a microscope with 5x eye pieces (instead of 10x like ours). If you change from the 10x objective lens to the 40x objective lens, how does the total magnification change? Group of answer choices: -it is 5 times stronger with the 40x -it is 5 times weaker with the 40x -it is 4 times stronger with the 40x -it is 30 units weaker -it is 30 units stronger -it is 4 times weaker with the 40x
If someone is looking at a fly wing that is 3mm long with a microscope, which objective would allow them to see the entire fly wing? Group of answer choices 40x 10x 4x 100x
A student missed the laboratory period where the use of the microscope was demonstrated. The instructor asked the student to read the description in the laboratory manual and then proceed to examine bacterial cells with the oil immersion lens. The student skimmed the directions and began. After about 15 minutes of struggling, the student gave up in despair without seeing anything. Below is a detailed description of what the student did. How many mistakes did the student make and why didn’t the student see anything? a. Plugged in the microscope and turned the light source to maximum intensity. Made a wet mount and placed it on the stage with the low-power objective lens in position. Tried to focus with the coarse adjustment, but decided the bacteria were too small and needed to be seen with the high-power objective lens. Rotated the high-power objective lens into position, but saw the lens would likely touch the slide, so lowered the stage so that the objective lens rotated freely.…
note: the circled option might be right or wrong
You are trying to look at a specimen with a compound microscope using the 4x objective, but it is very dark. Mention three parts of the microscope you could adjust that would help see your specimen in this darkness. Explain how you would adjust those parts.
What is the name of each of the following microscope parts? the part that moves the stage up and down quickly, a lot at a time the part that moves the stage up and down slowly, a little at a time the part that moves the slide forwards, backwards, left, and right the part that turns the light up or down the 2 parts that magnify the image What are all the things you should do before putting a microscope away? What are the steps to finding an object in a microscope? Convert 20cm to mm. Convert 20cm to um. Convert 30,000um to mm. be able to do a unit conversion step by step. When you go from a 4x objective to a 10x objective, does your field of view increase or decrease and why? What is the total magnification if you use a 40x objective?
what direction does a spiceman move on a microscope when you adjust stage X to the left and right