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romanna [79]
3 years ago
12

Why are urine samples kept in a refrigerator before testing?

Biology
1 answer:
Karolina [17]3 years ago
4 0

Answer:

Urine refrigeration preservation maintains the sample in the ACS chemical analysis, cellularity and bacteriuria

Explanation:

Tests with high diagnosis and prognostic importance in clinical practice include urinary irregular constituents and sediment (ACS). If it is not possible to analyze ACS within two hours of processing, the sample must be retained to prevent pre-analytical interferences. Cooling is due to its economic productivity the most commonly used technique. In comparison, relative to chemical preservation, it poses fewer discomforts.

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Why do Plants cells have cell walls and Animal cells do not?​
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Answer:

Plants need a rigid structure. Animal cells have flexible cell membranes. So animal cells can have a variety of shapes, but plant cells can not, they have to take the shape of their cell walls. Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria.

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2 years ago
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Acceleration can be found using a speed-time graph. true or false
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Answer:

True

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valentina_108 [34]

Answer:

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