Fundamental to the Old Testament understanding of joy are God's Acts in history, themost important of which is Israel's deliverance from Egypt (Exod 18:9-11).Israel's return from the Babylonian exile (Jer 31:1-19) toJerusalem is above the highest joy (Psalm 137:6).he element of joy in religion is still more prominent in the New Testament. It is the appropriate response of the believer to the good tidings of great joy which constitute the gospel (Luke 2:10). In the four Gospels, especially Luke, this element is conspicuous.
1 Obtain your tube and compare it to a control. 2  If the color is intensely deep pink after 2 days, it is positive for rapid urease hydrolysis.  If it is yellow or orange, the test is negative. The organism either does not hydrolyze urea rapidly or it cannot live in the medium.
The Iodine Test will test positive for starches. The test procedure involves add a few drops of iodine to a test solution. The solution will appear blue, purple or black. See the picture below for a positive test and a negative test.