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Exam-Fungi- Bio 1108 Test Questions and Answers
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Exam-Fungi- Bio 1108 Test Questions and Answers
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Exam-Fungi- Bio 1108 Test Questions and AnswersHow do fungi use absorptive heterotrophy? CORRECT ANS-Fungi secrete hydrolytic
enzymes into their surrounds that break down complex molecules to smaller organic
compounds that the fungi can absorb into their bodies and use. Other types of fungi use
enzymes to penetrate the walls of cells, enabling the fungi to absorb nutrients from the cells.
What are hyphae? CORRECT ANS-Multicellular fungi typically form a network of tiny
filaments called hyphae. Hyphae consist of tubular cell walls surrounding the plasma
membrane and cytoplasm of the cells
What is chitin? CORRECT ANS-Chitin is a strong, but flexible polysaccharide that
strengthens the cell walls of fungi
What is a mycelium? CORRECT ANS-A mycelium is an interwoven mass formed by fungal
hyphae, mycelium penetrates the material on which the fungus feeds. The structure of a
mycelium maximizes its surface-to-volume ratio, making feeding very efficient.
What is Mycorrhizae? CORRECT ANS-A mutually beneficial relationship between fungi and
plants.
, Exam-Fungi- Bio 1108 Test Questions and Answers
What are specialized hyphae that allow fungi to have a mutually beneficial relationship with
plants called? CORRECT ANS-haustoria, these are used by fungi to extract nutrients from,
or exchange nutrients with, their plant hosts
True or false, fungi are more closely related to plants than to animals. CORRECT ANS-False
What supergroup are fungi in? CORRECT ANS-Unikonta
According to DNA analyses, fungi most closely related to the unicellular protists, nucleariids.
Animals most closely related to the unicellular protists, choanoflagellates. What can we infer
from this information? CORRECT ANS-This information suggests that multicellularity must
have evolved in fungi and animals independently, from different single-celled ancestors.
What is an example of a single-celled fungus? CORRECT ANS-Yeast
How do most fungi reproduce? CORRECT ANS-sexually and asexually through spores
How does yeast reproduce? CORRECT ANS-asexually, through budding
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