If you have a second fixture around, you can use the same test of putting a tube in a working socket and see if it lights. It is not uncommon in fluorescent fixtures to have the ballast burn out. You may detect a burnt smell or see the bulbs flickering.
Answer:
O4) Screening tests
Explanation:
The screening test is used to make early detection of diseases in order to apply effective treatments. For example, a screening blood test enables the identification of toxins and/or drugs in the patient's system in a relatively low amount of time (generally 24 hours). This bioassay is used for the toxin determination of the effluent sample (i.e., a sample collected and analyzed to evaluate system performance) to the tested species. The screening test generally consists of applying two treatments (i.e., one effluent sample and one control).
Arthropods were the first animals to successfully invade land from the sea
Cells don't grow very big because they have to be able to diffuse through material easily. Also, when cells are small and plentiful they are easy to replace when damaged.
Answer: Carbon dioxide
Krebs cycle, also known as the citric acid cycle or TCA, uses 1 glucose molecule to produce 2 acetyl Co-A molecules which in turn are broken down to release:
1) 4 CO2
2)2FADH2
3) 6NADH
4) 2ATP
