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Ch. 4 - Introduction to Eukaryotic Cells
Norman-McKay- Microbiology: Basic and Clinical Principles 2nd Edition
Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoNorman-McKay 2nd EditionCh. 4 - Introduction to Eukaryotic CellsProblema 12
Capitolo 2, Problema 12

Fungal spores can be made by ________. Select all that apply.
a. Binary fission
b. Mitosis
c. Meiosis
d. Asexual reproduction
e. Sexual reproduction
f. Sporogony

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Step 1: Understand that fungal spores are reproductive units produced by fungi, which can arise through different reproductive processes.
Step 2: Recognize that fungal spores can be produced by asexual reproduction, which often involves mitosis, leading to genetically identical spores.
Step 3: Note that fungal spores can also be produced by sexual reproduction, which involves meiosis, resulting in genetically diverse spores.
Step 4: Identify that binary fission is a form of asexual reproduction typical of prokaryotes like bacteria, not fungi, so it does not apply here.
Step 5: Understand that sporogony is a specific type of spore formation seen in some protozoa (like Plasmodium), not fungi, so it is not applicable to fungal spore formation.

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Fungal Reproduction Methods

Fungi reproduce through both sexual and asexual means, producing spores as reproductive units. Asexual reproduction involves mitosis to create genetically identical spores, while sexual reproduction involves meiosis, generating genetic diversity. Understanding these methods is key to identifying how fungal spores are formed.
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Scientific Method

Mitosis and Meiosis in Spore Formation

Mitosis is a type of cell division producing two identical daughter cells, commonly involved in asexual spore formation. Meiosis, on the other hand, reduces chromosome number by half, producing genetically diverse spores during sexual reproduction. Both processes are fundamental to fungal spore generation.
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Meiosis

Sporogony and Binary Fission

Sporogony is a specialized form of spore formation seen in some parasites, not typically fungi. Binary fission is a simple cell division method common in prokaryotes, not fungi. Recognizing these distinctions helps exclude incorrect options related to fungal spore production.
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Binary Fission
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Which of the following characteristics regarding eukaryotic organelles supports the endosymbiotic theory? Select all that apply.

a. Eukaryotic ribosomes are 70S just like prokaryotic ribosomes.

b. Mitochondria and chloroplasts have 70S ribosomes like prokaryotes.

c. Mitochondria and chloroplasts are double-membrane organelles similar in size to bacteria.

d. Mitochondria and chloroplasts have their own circular chromosome.

e. Eukaryotes can have cell walls like prokaryotes.

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Complete the Venn diagram that compares and contrasts prokaryotes and eukaryotes.

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Most fungi grow as a collection of tubular structures called ___________________.

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Complete the table by answering yes or no for each question.

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Eukaryotic flagella differ from prokaryotic flagella in that:

a. Eukaryotic flagella use a rotary motion to propel the cell.

b. Eukaryotic flagella are made of proteins.

c. Eukaryotic flagella are not enclosed in a membrane.

d. Eukaryotic flagella have a 9 +2 arrangement of microtubules.

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Match the organelle to the function

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