The end product, indoxyl, appears blue on a paper disk. What enzyme must the organism possess to create this end product?
A) Beta-galactosidase B) DNase C) Superoxol catalase D) Butyrate esterase
Question 2
A clean voided urine from a 27-year-old female was collected at 9:00 am and processed for a routine urinalysis. The specimen demonstrated a positive leukocyte esterase, marked protein, positive nitrite, and 2+ blood.
Upon finishing the morning run of urinalysis specimens, the technologist left the specimens at the bench and returned to the chemistry department. Seeing the urinalysis results, the physician calls at 12:00 pm to add a urine culture to the patient's orders. At 1:00 pm the urine specimen is sent to Microbiology for processing and should be
A) plated to sheep blood and MacConkey agars using a calibrated loop.
B) Gram stained first and, if positive, then plated.
C) plated to sheep blood, MacConkey, and phenylethyl alcohol agars using a calibrated loop.
D) rejected and the physician called for a recollect.
Blue-Eyed Grass
Induced-fit model of enzyme activity.
Allosteric regulation of enzyme activity.
Reaction coordinate diagram for a simple enzyme catalyzed reaction
Excel hardware is introducing a new product on a new product line of capacity 800 units per ...