Possible contaminate will be Proteus or Salmonella. To differentiate the two genera urease test can be accomplished. However, urease test, Proteus will produce a positive test result.
This test can be done to determine the ability of an organism to split urea. The principle of urease test is that urea is the product of decarboxylation of amino acid. Splitting of urea via hydrolysis will produce ammnonia and CO2. The CO2 produce allows the formation of bubbles.
Answer:
Ozone
Explanation:
In the stratosphere, ozone is created primarily by ultraviolet radiation. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen.
<span>A::T and G:::C is essential. The importance to the DNA structure is that prevents lose of genes and mis-formation of encoded products (protein and mRNA).</span>
Answer:
Teens have more social interactions per day through electronic devices
Explanation:
While it may be true that teens have more social interactions per day through electronic devices,
