Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 1, Problem 1CT
Summary Introduction

To determine:

The number of cells of Bacillus and yeast can be observed under a field of 2mm diameter.

Introduction:

Microscopy is a technique of observing an object under microscope that is not observable with naked eyes. The types of microscopy include, scanning probe microscopy, electron microscopy and optical microscopy. Optical microscopy uses light for illuminating and lenses to magnify the sample.

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Is it 100X for Paramecium? Is it 400X for Euglena? I don't know how to solve this problem. I don't know what should I draw the picture of the Paramecium and Euglena. Can you explain to me?
Is it 100X for Paramecium? Is it 400X for Euglena? I don't know how to solve this problem. I don't know what should I draw the picture of the Paramecium and Euglena.
Measure the length of Cell X using the ruler in Microsoft Word. Assuming the actual length to be 3 um, calculate the magnification. Show your complete solution. Based on Figure 1, what internal organization can be distinguished in cell X? Why? Based in Figure 1, can you see a limiting membrane? Can you deduce its presence? Why or why not? Figure 2 is an electron micrograph of the same type of bacterium as shown in Figure 1. The picture has been obtained by cutting a very thin section of the bacterial cell along its longitudinal axis. Measure the total length of the cell, and assuming the actual length to be 2.1 um, calculate the magnification. With reference with Figure 2, what are the major differences between the inclusions found in Figure 1 and the way they appear in Figure 2? What other structural features can be resolved?
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