Exit Signs Must Operate

question 5

Multiple Choice

Exit signs must operate:

• A)only at night.
• B)only in dark areas within a building.
• C)24 hours a day, every day.
• D)during emergencies; at other times, operation is optional.

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Definitions:

Bacterial Chromosome

The circular DNA molecule within bacteria that contains most of the genetic material required for their cell processes.

Polynucleotide Chain

A sequence of nucleotides that form a part of a nucleic acid molecule, such as DNA or RNA, linked by covalent bonds.

Sugar

A sweet-tasting, soluble carbohydrate found in many plants, crucial for energy in living organisms.

Phosphate

A chemical compound containing the phosphate ion, PO4^3-, which plays a critical role in biological systems, including energy transfer and the structure of DNA and RNA.