Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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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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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Answer 3

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Answer 4

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Answer 5

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

Answer 6

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

Answer 7

Chapter 7.L1, Problem 4WC

Summary Introduction

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

Answer 8

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Ch. 7.1 - 1. Describe the major environmental factors to...Ch. 7.1 - 2. Define nutrition and nutrients and their...Ch. 7.1 - 3. Differentiate between organic and inorganic...Ch. 7.1 - Prob. 4ELO Ch. 7.1 - Prob. 1CYP Ch. 7.1 - Prob. 2CYP Ch. 7.1 - 3. List the general functions of the essential...Ch. 7.1 - 4. Define growth factors and metallic ions with...Ch. 7.2 - 5. Describe the main categories of nutritional...Ch. 7.2 - 6. Distinguish different types of autotrophs and...

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

Solution Summary: The author explains that microbes have engaged in various types of associations with plants, animals, humans, and other organisms since eons.

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Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Chapter 7 Solutions

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

Solution Summary: The author explains that microbes have engaged in various types of associations with plants, animals, humans, and other organisms since eons.

Concept explainers

Videos

Introduction: Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.

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Chapter 7 Solutions

Introduction:

Since eons, microbes have engaged in various types of associations with plants, animals, humans and other microbes. Few such associations are commensalism, parasitism and mutualism.