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vichka [17]
4 years ago
8

Janet comes to the office complaining of a sore throat, hoarseness, cough, and runny nose. Dr. Porter examines her and explains

to her that she has a virus. As she is leaving the office, Janet tells you that she does not understand why Dr. Porter did not give her an antibiotic. Janet's health history is nonsignificant except for her current respiratory tract infection. 1. What reason do you give Janet to explain why Dr. Porter did not prescribe an antibiotic
Biology
1 answer:
Olin [163]4 years ago
6 0

Answer: Antibiotics are ineffective against viruses.

Explanation:

Viruses such as enterovirus and coronavirus have been implicated in the cause of respiratory tract infections. And because unlike bacteria, these viruses do not have a cell wall, independent metabolic machinery: antibiotics are ineffective against viruses.

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Eyepiece magnification(EM) X Objective magnification (OM)= Overall Magnification:
gregori [183]

Answer:

I. Overall magnification (TM) = x40

II. Overall magnification (TM) = x100

III. Overall magnification (TM) = x400

IV. Overall magnification (TM) = x1000

Explanation:

A microscope can be defined as an optical device that is typically used to make an enlarged (magnified) image of a minute (small) object and as such reveals all the little information about the object that cannot be seen by the natural human eye.

Mathematically, the overall (total) magnification of a microscope is given by the formula;

Overall magnification (TM) = Eyepiece magnification(EM) X Objective magnification (OM).

I. When EM = x10 and OM = x4

TM = EM * OM

TM = x10 * x4

<em>TM = x40</em>

II. When EM = x10 and OM = x10

TM = EM * OM

TM = x10 * x10

<em>TM = x100</em>

III. When EM = x10 and OM = x40

TM = EM * OM

TM = x10 * x40

<em>TM = x400</em>

IV. When EM = x10 and OM = x100

TM = EM * OM

TM = x10 * x100

<em>TM = x1000</em>

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3 years ago
Describe the process of natural selection
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The one that isn’t given the treatment is the control because it allow you to compare the result of when you would add music and when there isnt music
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