A Sink Can Be Filled by the Cold Water Faucet

question 177

Multiple Choice

A sink can be filled by the cold water faucet in 6 minutes. The drain can empty a full sink in 9 minutes. If the sink is empty and both the cold water faucet and the drain are open, how long will it take the sink to overflow?

• A) 18 minutes
• B) 16 minutes
• C) 19 minutes
• D) 21 minutes
• E) 15 minutes

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Definitions:

Anticodon

A sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA.

Amino Acid

Organic molecule composed of an amino group and an acid group; covalently bonds to produce peptide molecules.

DNA Sequence

The order of nucleotides in a segment of DNA, determining genetic information.

Active Genes

Sections of DNA that are being transcribed and translated into proteins, influencing the traits of an organism.