To tell: Fungal dikaryon with its two haploid (n) nuclei is not considered as the diploid. Introduction: Zygomycetes are the multinucleate molds which are obligate parasites for other fungi and insects. They reproduce asexually and producing sporangiospores and asexually by zygosporangia. During sexual reproduction of zygomycetes, we can see a dikaryon stage where dikaryon cell formation takes place.

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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 12, Problem 3TMW

Summary Introduction

To tell:

Fungal dikaryon with its two haploid (n) nuclei is not considered as the diploid.

Introduction:

Zygomycetes are the multinucleate molds which are obligate parasites for other fungi and insects. They reproduce asexually and producing sporangiospores and asexually by zygosporangia. During sexual reproduction of zygomycetes, we can see a dikaryon stage where dikaryon cell formation takes place.

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Label A-H from image as the following: I: Dikaryotic II: Basidiospores III: Plasmogamy IV: Meiosis V: Diploid VI: Haploid VII: Karyogamy VIII: Zygote

In embryophytes, especially spermatophya, what is the difference between a "sporocyte" (e.g., megasporocyte) and the actual spore (e.g., megaspore)? a) Meiosis: Megasporocyte is still diploid, megaspore haploid b) Mitosis, number of nuclei: Megaspore has eight cell nuclei, megasporocyte only one c) Cytokinesis: Megasporocyte has only one cell, Megaspore can have several (as endosporic gametophyte). d) None: the two terms are synonymous. e) Meiosis: Megaspore is still diploid, megasporocyte haploid

When the Ascomycetes fungus reproduces sexually, mating type A fungi cross fertilize mating type a fungi. The resulting zygotes undergo meiotic and then mitotic division to produce asci with eight ascospores. The ascospores in the asci are ordered and reflect the position of the parental nuclei in the zygote. Use the passage to answer the question. How is the life cycle of Ascomycetes different from that of humans? A. Haploid cells undergo meiosis. B. Haploid cells undergo mitosis. C. Diploid cells undergo meiosis. D. Diploid cells undergo mitosis.

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 12, Problem 3TMW

Summary Introduction

To tell:

Fungal dikaryon with its two haploid (n) nuclei is not considered as the diploid.

Introduction:

Zygomycetes are the multinucleate molds which are obligate parasites for other fungi and insects. They reproduce asexually and producing sporangiospores and asexually by zygosporangia. During sexual reproduction of zygomycetes, we can see a dikaryon stage where dikaryon cell formation takes place.

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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 12, Problem 3TMW

Summary Introduction

To tell:

Fungal dikaryon with its two haploid (n) nuclei is not considered as the diploid.

Introduction:

Zygomycetes are the multinucleate molds which are obligate parasites for other fungi and insects. They reproduce asexually and producing sporangiospores and asexually by zygosporangia. During sexual reproduction of zygomycetes, we can see a dikaryon stage where dikaryon cell formation takes place.

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Check out a sample textbook solution

See solution

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 12, Problem 3TMW

Summary Introduction