Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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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 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI). Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN). Laboratory Analysis: Body: Large leaves emerging from underground rhizome. Size: 63 cm Chromosomal Analysis: Plant body is diploid—chromosome number of 44. Lignin test: Positive Cuticle: Present Leaves: Present—large with branched veins. Underside has sori (containing haploid spores). Roots: Present—branch from the inside. Stem: Present—vascular tissue (xylem & phloem) present. Life History: Diploid sporophyte dominant generation. Haploid spores germinate into heart-shaped, haploid, gametophyte. Water required for fertilization; no seed is produced. Diploid zygote develops into sporophyte. Explain which domain, kingdom and phylum you believe this plant should be classified…

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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 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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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 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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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 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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Answer 5

Chapter 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

Answer 6

Chapter 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

Answer 7

Chapter 26, Problem 3U

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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Answer 11

Ch. 26.1 - Prob. 1LO Ch. 26.1 - Prob. 2LO Ch. 26.2 - Prob. 1LO Ch. 26.2 - Prob. 2LO Ch. 26.3 - Prob. 1LO Ch. 26.3 - Describe how viruses can contribute DNA to their...Ch. 26.4 - Describe the differences between acute and...Ch. 26.4 - Prob. 2LO Ch. 26.4 - Prob. 3LO Ch. 26.5 - Prob. 1LO

Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell thatthey infect and reproduce within the host cell. They possess either DNA or RNA genome that is surrounded by the protein capsid.

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