Imagine You Are Following a Particular TRNA, Called TRNA^Q, Through

question 49

Multiple Choice

Imagine you are following a particular tRNA, called tRNA^Q, through the process of translation in a eukaryote. In what order does tRNA^Q go through the steps listed below? (Note that some steps may be used more than once.)
1) The polypeptide is transferred to tRNA^Q.
2) tRNA^Q binds the A site of the ribosome.
3) tRNA^Q binds the P site of the ribosome.
4) The ribosome shifts, with tRNA^Q still bound.
5) tRNA^Q binds the E site of the ribosome.

• A)2, 1, 4, 3, 4, 5
• B)2, 4, 1, 4, 2, 4, 5
• C)3, 1, 4, 2, 4, 5
• D)3, 4, 1, 4, 2, 4, 5
• E)5, 1, 4, 3, 4, 5

---

Definitions:

Inheritable Traits

Characteristics or features of an organism that can be passed from one generation to the next through genes.

Biological Ancestors

The direct lineage of organisms from which an individual has descended.

Epigenetics

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences; the Greek prefix epi- means “on top of” or “in addition to.”

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often a protein.