Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Chapter 1.L1, Problem 5MCQ

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.

With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

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Chapter 1.L1, Problem 5MCQ

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Chapter 1.L1, Problem 5MCQ

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Chapter 1.L1, Problem 5MCQ

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Answer 5

Chapter 1.L1, Problem 5MCQ

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Introduction:

Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

Answer 6

Chapter 1.L1, Problem 5MCQ

Summary Introduction

Introduction:

Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

Answer 7

Chapter 1.L1, Problem 5MCQ

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Ch. 1.1 - Define microbiology and microorganisms, and...Ch. 1.1 - Name and define the primary fields included in...Ch. 1.1 - Define what is meant by the term microorganism and...Ch. 1.1 - Describe five different ways in which humans...Ch. 1.2 - Prob. 3ELO Ch. 1.2 - Prob. 4ELO Ch. 1.2 - Prob. 5ELO Ch. 1.2 - Prob. 3CYP Ch. 1.2 - Observe figure 1.3 and place the microbes pictured...Ch. 1.2 - Prob. 5CYP

Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

Solution Summary: The author explains that Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms with his hand-made microscopes.

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Chapter 1 Solutions

Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

Solution Summary: The author explains that Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms with his hand-made microscopes.

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Introduction: Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.

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Chapter 1 Solutions

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Antonie van Leeuwenhoek was the first person to magnify and visualize microorganisms. He did this with the help of his hand-made microscopes.