Biology

Chemicals, secreted by soil fungi, that inhibit the growth of bacteria are known

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In what structures do both Penicillium and Aspergillus produce asexual spores? A

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A fungal spore germinates, giving rise to a mycelium that grows outward into the

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Among sac fungi, which of these correctly distinguishes ascospores from conidia?

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Arrange the following from largest to smallest, assuming that they all come from

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Arrange the following from largest to smallest: 1. ascospore 2. ascocarp 3.

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Which of the following has the least affiliation with all of the others? A) Glom

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You are given an organism to identify. It has a fruiting body that contains many

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Which of these paired fungal structures are structurally and functionally most a

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What are the sporangia of the bread mold Rhizopus? A) asexual structures that pr

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Many infected animals are induced by the parasitic microsporidians to develop hu

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The microsporidian, Brachiola gambiae, parasitizes the mosquito, Anopheles gambi

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The fact that all seven of the pea plant traits studied by Mendel obeyed the pri

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Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a fema

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Calico cats are female because A) the males die during embryonic development. B)

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In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females

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Sex determination in mammals is due to the SRY region of the Y chromosome. An ab

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How would one explain a testcross involving F1 dihybrid flies in which more pare

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An inversion in a human chromosome often results in no demonstrable phenotypic e

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What is the source of the extra chromosome 21 in an individual with Down syndrom

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Down syndrome has a frequency in the U.S. population of ~1/700 live births. In w

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A couple has a child with Down syndrome. The mother is 39 years old at the time

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In 1956 Tijo and Levan first successfully counted human chromosomes. What is the

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At which phase(s) is it preferable to obtain chromosomes to prepare a karyotype?

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What is a syndrome? A) a characteristic facial appearance B) a group of traits,

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