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:
Population distribution is the spreading of people over an area of land, while population density is the number of people per unit land.
Explanation:
The distribution of population is how people are distributed over an area of land and the population density indicates how densely populated an area is and it is often determined by the number of people per square mile.
Answer:
The Answer is D) examining paternity
Explanation:
Paternity is the state of being someone's father. Being someone's father plays no role in medicine
The beginning of the Cambrian Period is marked by the evolution of hard body parts such as calcium carbonate shells. ... These body parts fossilize more easily than soft tissues, and thus the fossil record becomes much more complete after their appearance.