Phototaxis is a kind of taxis, or locomotory movement, that occurs when a whole organism moves towards or away from stimulus of light. This is advantageous for phototrophic organisms as they can orient themselves most efficiently to receive light for photosynthesis.
The Urine Culture Test measures the level of bacteria in the urine. *Price may vary by location â contact your local ANY LAB TEST NOWÂ®. Test results are generally available within 24 â 72 business hours after the specimen is collected. A bacterium known as Escherichia coli (E. coli) causes the majority of lower urinary tract infections (UTIs).
1 Home tests are sometimes done too soon after the missed menstrual cycle to result in a positive test. It typically takes 10 days after a missed menstrual period before the presence of hCG can be detected by the urine test.  All urine hCG tests should be done on a first morning urine sample, if possible.