Answer:
urease test media contains 2% urea and phenol red as an indicator.An increase inPH due to the production of ammonia results in a color change from yellow (ph6.8) to bright pink (ph8.2).
Answer:
Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus.
Explanation:
Your answer should be correct!
Answer: 3 Many wealthy American industrialists of the late 19th ... 6 In which pair of events did the first event most directly ... (4) most immigrants spoke English and thus needed ... (2) Americans support the activities of trusts. ... (1) eliminate unfair business practices.
Explanation:
I think it would be coal and oil.they are energy sources.