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: the carrying capacity for adult giraffes in this area is: 6.
Explanation: [ 450 pounds divided by 75 = 6. ]
Fun Fact - Giraffes can drink up to 10 gallons of water a day and spend 16-20 hours a day feeding, their favorite food is Acacia Leaves.
Answer:
activation energy is required for a chemical reaction to take place.
Question 1 - 100%
* I need to know what the crosses are for questions 2-5