On the Map of Hazardous Waste Sites in the U

question 18

Multiple Choice

On the map of hazardous waste sites in the U.S.one generally sees a correlation between those sites and

• A)mountainous areas.
• B)coastal regions.
• C)areas of greater population density.
• D)none of the above.

---

Definitions:

Gene Expression

Multistep process by which the information in a gene guides assembly of an RNA or protein product. Includes transcription and translation.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.

RNA

Ribonucleic acid. Nucleic acid with roles in gene expression. Most are single-stranded chains of ribonucleotides (adenine, guanine, cytosine, and uracil). See messenger RNA, transfer RNA, ribosomal RNA.

Protein

Organic molecule that consists of one or more polypeptides.