Assume that the phylogenetic assignment of Plasmodium falciparum, the malarial parasite , to the phylum Apicomplexa. Question asked to hypothesize whether the parasite is sensitive to aminoglycoside antibiotics. Introduction: In the phylogenetic tree, species of interest are shown at the tips of the branches of the phylogenetic tree. The divergence of a single group into two descendant groups is shown at the branch point. The most recent common ancestors are found at each branch point. When two species have more related common ancestors, these species are more related, whereas when two species have less related common ancestors, these species are less related. Non-photosynthetic early branching eukaryotic organisms do not have mitochondria as well as chloroplast. This suggests that mitochondria and chloroplast could have appeared in the eukaryotic cells at later evolutionary stages. One of the evolutionary models, endosymbiotic theory, suggests that prokaryotic endosymbionts are converted to a cell organelle. During eukaryotic evolution, heterotrophic eukaryotic cells engulf a photosynthetic eukaryotic cell that survives in symbiosis inside the heterotrophic cell from primary endosymbiosis.

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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 17, Problem 24P

Summary Introduction

To analyze:

Assume that the phylogenetic assignment of Plasmodium falciparum, the malarial parasite, to the phylum Apicomplexa. Question asked to hypothesize whether the parasite is sensitive to aminoglycoside antibiotics.

Introduction:

In the phylogenetic tree, species of interest are shown at the tips of the branches of the phylogenetic tree. The divergence of a single group into two descendant groups is shown at the branch point. The most recent common ancestors are found at each branch point. When two species have more related common ancestors, these species are more related, whereas when two species have less related common ancestors, these species are less related.

Non-photosynthetic early branching eukaryotic organisms do not have mitochondria as well as chloroplast. This suggests that mitochondria and chloroplast could have appeared in the eukaryotic cells at later evolutionary stages. One of the evolutionary models, endosymbiotic theory, suggests that prokaryotic endosymbionts are converted to a cell organelle. During eukaryotic evolution, heterotrophic eukaryotic cells engulf a photosynthetic eukaryotic cell that survives in symbiosis inside the heterotrophic cell from primary endosymbiosis.

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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 17, Problem 24P

Summary Introduction

To analyze:

Assume that the phylogenetic assignment of Plasmodium falciparum, the malarial parasite, to the phylum Apicomplexa. Question asked to hypothesize whether the parasite is sensitive to aminoglycoside antibiotics.

Introduction:

In the phylogenetic tree, species of interest are shown at the tips of the branches of the phylogenetic tree. The divergence of a single group into two descendant groups is shown at the branch point. The most recent common ancestors are found at each branch point. When two species have more related common ancestors, these species are more related, whereas when two species have less related common ancestors, these species are less related.

Non-photosynthetic early branching eukaryotic organisms do not have mitochondria as well as chloroplast. This suggests that mitochondria and chloroplast could have appeared in the eukaryotic cells at later evolutionary stages. One of the evolutionary models, endosymbiotic theory, suggests that prokaryotic endosymbionts are converted to a cell organelle. During eukaryotic evolution, heterotrophic eukaryotic cells engulf a photosynthetic eukaryotic cell that survives in symbiosis inside the heterotrophic cell from primary endosymbiosis.

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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 17, Problem 24P

Summary Introduction

To analyze:

Assume that the phylogenetic assignment of Plasmodium falciparum, the malarial parasite, to the phylum Apicomplexa. Question asked to hypothesize whether the parasite is sensitive to aminoglycoside antibiotics.

Introduction:

In the phylogenetic tree, species of interest are shown at the tips of the branches of the phylogenetic tree. The divergence of a single group into two descendant groups is shown at the branch point. The most recent common ancestors are found at each branch point. When two species have more related common ancestors, these species are more related, whereas when two species have less related common ancestors, these species are less related.

Non-photosynthetic early branching eukaryotic organisms do not have mitochondria as well as chloroplast. This suggests that mitochondria and chloroplast could have appeared in the eukaryotic cells at later evolutionary stages. One of the evolutionary models, endosymbiotic theory, suggests that prokaryotic endosymbionts are converted to a cell organelle. During eukaryotic evolution, heterotrophic eukaryotic cells engulf a photosynthetic eukaryotic cell that survives in symbiosis inside the heterotrophic cell from primary endosymbiosis.

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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 17, Problem 24P

Summary Introduction