Question 1

Compare and contrast the ectomycorrhizae and the endomycorrhizae.

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Question 2

Describe the mutualistic relationship that arbuscular mycorrhizae form with plants.

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Question 3

The chlorophytes use both chlorophylls a and b for photosynthesis, which make them appear green.

Accepted Answer

Chlorophytes are a type of green algae and they use both chlorophylls a and b for photosynthesis, which gives them a green color.

Question 4

Most fungi are aerobic chemoorganotrophs that decompose large molecular weight compounds by secreting extracellular enzymes.

Accepted Answer

Most fungi require oxygen (are aerobic) and obtain energy from organic compounds (are chemoorganotrophs), and secrete enzymes to break down complex molecules (are decomposers).

Question 5

Yeasts are immature fungal spores.

Accepted Answer

Yeasts are actually single-celled fungi and not immature fungal spores.

Question 6

How does the genus Pfiesteria cause problems in both humans and fish?

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Question 7

Compare and contrast the life cycles of the cellular and the acellular slime molds.

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Question 8

Discuss three findings that support the theory of primary endosymbiosis.

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Question 9

Hyphae are tubular cell walls that surround the cytoplasmic membrane.

Accepted Answer

Hyphae are indeed tubular structures made up of cell walls that surround the cytoplasmic membrane in fungi.

Question 10

Discuss the theory of secondary endosymbiosis and defend the theory by providing evidence that supports it.

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Question 11

A polymer of N-acetyl-glucosamine, chitin, is a primary component to most fungal cell walls.

Accepted Answer

Chitin is indeed a primary component of most fungal cell walls.

Question 12

Consider the development of a fossil record for a watershed. A current inventory of all species already has been taken. Which microorganisms might you first consider looking for with the objective of developing a microbial fossil record? Why? Also, what might depth profiling accomplish?

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Question 13

Chytridiomycosis is thought to be associated with increases in environmental temperature associated with global warming. Design a series of experiments that would help to determine whether this hypothesis is likely to be correct.

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Question 14

There are two different mating types in the yeast Saccharomyces cerevisiae, and they can switch from one type to another.

Accepted Answer

This statement is true. Saccharomyces cerevisiae does have two different mating types and is capable of switching between them. This is known as "homothallism" in yeast.

Question 15

What is an endolithic algal community? Where are these found, and how do they survive?

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Question 16

Describe the differences between the algae and the cyanobacteria.

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Quiz 18: Diversity of Microbial Eukarya