By 2012, There Were Approximately ________ PACs in the United

question 42

Multiple Choice

By 2012, there were approximately ________ PACs in the United States.

• A) 150
• B) 1,500
• C) 5,500
• D) 15,000
• E) 25,000

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Definitions:

Nucleotide Bases

The building blocks of DNA and RNA, consisting of adenine, thymine (uracil in RNA), cytosine, and guanine.

Obligate Symbionts

Organisms that require a symbiotic relationship with another organism to survive.

Pseudogenes

Sequences of DNA that resemble genes but are non-functional due to mutations, deletions, or insertions.

Interstrain Recombination

Genetic recombination that occurs between different strains of microorganisms, leading to genetic variability.