The groups of microbes which are most similar to prokaryotic cell and the related evidences which prove that these microbes are not prokaryotes. Concept introduction: All organisms are divided into prokaryotes and eukaryotes. Prokaryotes are characterized by the absence of well defined nucleus which is not enclosed by nuclear membrane. Prokaryotes also lack membrane bound cell organelles. Members of parabasalids belong to Excavata group of protists and are anaerobes in nature. Microsporidia belongs to group of obligate parasitic fungi and infects various types of animals and protists including human beings. Galdieria belongs to group red algae and is commonly found in aquatic environment.

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Answer 1

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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 18, Problem 3AQ

Summary Introduction

To explain:

The groups of microbes which are most similar to prokaryotic cell and the related evidences which prove that these microbes are not prokaryotes.

Concept introduction:

All organisms are divided into prokaryotes and eukaryotes. Prokaryotes are characterized by the absence of well defined nucleus which is not enclosed by nuclear membrane. Prokaryotes also lack membrane bound cell organelles. Members of parabasalids belong to Excavata group of protists and are anaerobes in nature. Microsporidia belongs to group of obligate parasitic fungi and infects various types of animals and protists including human beings. Galdieria belongs to group red algae and is commonly found in aquatic environment.

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Ch.23 How is Salmonella able to cross from the intestines into the blood? A. it is so small that it can squeeze between intestinal cells B. it secretes a toxin that induces its uptake into intestinal epithelial cells C. it secretes enzymes that create perforations in the intestine D. it can get into the blood only if the bacteria are deposited directly there, that is, through a puncture — Which virus is associated with liver cancer? A. hepatitis A B. hepatitis B C. hepatitis C D. both hepatitis B and C — explain your answer thoroughly

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Answer 2

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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 18, Problem 3AQ

Summary Introduction

To explain:

The groups of microbes which are most similar to prokaryotic cell and the related evidences which prove that these microbes are not prokaryotes.

Concept introduction:

All organisms are divided into prokaryotes and eukaryotes. Prokaryotes are characterized by the absence of well defined nucleus which is not enclosed by nuclear membrane. Prokaryotes also lack membrane bound cell organelles. Members of parabasalids belong to Excavata group of protists and are anaerobes in nature. Microsporidia belongs to group of obligate parasitic fungi and infects various types of animals and protists including human beings. Galdieria belongs to group red algae and is commonly found in aquatic environment.

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Answer 3

Question

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 18, Problem 3AQ

Summary Introduction

To explain:

The groups of microbes which are most similar to prokaryotic cell and the related evidences which prove that these microbes are not prokaryotes.

Concept introduction:

All organisms are divided into prokaryotes and eukaryotes. Prokaryotes are characterized by the absence of well defined nucleus which is not enclosed by nuclear membrane. Prokaryotes also lack membrane bound cell organelles. Members of parabasalids belong to Excavata group of protists and are anaerobes in nature. Microsporidia belongs to group of obligate parasitic fungi and infects various types of animals and protists including human beings. Galdieria belongs to group red algae and is commonly found in aquatic environment.

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Check out a sample textbook solution

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Answer 4

Question

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 18, Problem 3AQ

Summary Introduction