The ___________ Is Responsible for the Security of the U

question 55

Multiple Choice

The ___________ is responsible for the security of the U.S.transportation system.

• A)Department of Commerce
• B)Department of Transportation
• C)Transportation Security Administration (TSA)
• D)U.S.State Department

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Definitions:

Semiconservative Replication

The method by which DNA is replicated in all known cells, where each of the two strands of the DNA molecule serve as a template for the production of the complementary strand.

Hydrogen Bonds

Weak bonds between molecules or within molecules that result from an electrostatic attraction between a hydrogen atom, which is covalently bonded to a more electronegative atom, and another electronegative atom.

DNA Polymerase

An enzyme that synthesizes DNA molecules from deoxyribonucleotides, the building blocks of DNA.

Watson-Crick Model

A structural model of DNA proposed by James Watson and Francis Crick, illustrating DNA as a double helix composed of two antiparallel strands.