There Are 61 Codons That Each Specify the Addition of a Specific

question 32

Multiple Choice

There are 61 codons that each specify the addition of a specific amino acid, and three stop codons for which there is no corresponding amino acid. However, there are only about 40 tRNA molecules, representing 40 anticodons. How is that possible?

• A) An anticodon forms hydrogen bonds with the codon; it must match the first two bases of the codon, but is less specific with respect to the third base.
• B) Only about 40 of the recognized 61 codons are present in mRNA.
• C) There are tRNAs that can bind one of two related amino acids.
• D) Only 20 of the codons are active-one for each amino acid.

---

Definitions:

Prominent Black Citizens

Leading or well-known African American individuals who have made significant contributions to society.

Spanish Atrocities

Acts of cruelty and violence perpetrated by the Spanish during their conquests and colonial rule, particularly against indigenous peoples in the Americas.

American Press

Refers to the media outlets, including newspapers, magazines, and digital content providers, that operate within the United States.

Sugar Industry

Refers to the sector of the economy that deals with the production, processing, and distribution of sugar.