front 1 Urease is produced by some microorganisms, is an enzyme that is especially helpful in identification of | back 1 Proteus vulgaris. |
front 2 Urease is produced by some | back 2 microorganisms |
front 3 Although other organisms may produce urease, their action on the substrate urea tends to be slower than that seen w/ | back 3 Proteus species. |
front 4 Other organisms my produce urease, but their action on ______ ____ tends to be slower than that seen with Proteus species. | back 4 substrate urea |
front 5 Is urease an enzyme? | back 5 ~Yes~ |
front 6 The urease test serves rapidly to distinguish members of this genus from other... | back 6 non lactose-fermenting enteric microorganisms. |
front 7 Whay type of enzyme is Urease? | back 7 Hydrolytic |
front 8 What is the function of Urease (hydrolytic enzyme) | back 8 Attack nitrogen & carbon bond in amide compounds such as urea & forms the alkaline end product AMMONIA. |
front 9 What attacks nitrogen & the carbon bond in amide compounds such as urea & forms the alkaline end product ammonia? | back 9 Urease (which is a hydrolytic enzyme) |
front 10 Urease attacks _a___ & the _b_______ in __c______ such as urea & forms the alkaline end product __d_____. | back 10 a. nitrogen
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front 11 The presence of urease is detectable when the organisms are grown in a urea broth medium containing the pH indicator | back 11 phenol red |
front 12 As urea is split into it products, the presence of __a___ creates an alkaline environment that causes the the phenol red to turn a deep __b___ | back 12 a. ammonia
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front 13 The presence of ammonia turning the phenol red a deep pink is a ___a_____ reaction for the presence of __b_______. | back 13 a. positive
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front 14 On a urease test the color yellow means | back 14 Negative reaction for the presence of urease. |
front 15 On a urease test the color pink means | back 15 Positive reaction for the presence of urease. |