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170463 Microbiology

Aspergillus is best described by which of the following statements?

AWidespread in environment; conidia may be inhaled; microscopic appearance in specimen reveals dichotomous branching and septate hyphae
BRound, black sporangia filled with endospores; sporangia unbranched, rising from a runner called a stolon
CSingle-tipped sporangiophores; no rhizoids or stolons; non septate hyphae, which show branching
DYeast forms with budding blastoconidia often showing pseudo hyphae; positive germ tube test; chlamydospores present
Microbiology
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170464 Unknown

A 9 month child was taken to pediatric OPD by his mother. Mother complained of the child having lethargy, convulsions, fine tremors, failure to thrive & areas of patchy hair loss on scalp. On investigation, serum ammonia and glutamine levels were increased. Microscopic examination reveals following findings in hair. Which enzyme deficiency is responsible for above symptoms?

ACarbamoyl phosphate synthase l
BOrnithine transcarbamoylase
CArginosuccinate synthase
DArginosuccinate lyase
Unknown
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