Yeasts

Ungraded Practice Question

Illustrated in this photomicrograph of a lactophenol blue preparation of a urine sediment is a cluster of yeast cells that were presumptively identified as Cryptococcus species. Further characteristics that may assist in confirming this identification are:

More than one answer is correct. Please select all correct answers

Strong urease activity
Selective assimilation of dextrose and trehalose
Production of ascospores on ascospore agar
Strong phenoloxidase activity

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