In an Experimental Situation, a Student Researcher Inserts an MRNA

question 40

Multiple Choice

In an experimental situation, a student researcher inserts an mRNA molecule into a eukaryotic cell after she has removed its 5′ cap and poly-A tail. Which of the following processes would you expect her to find to have occurred?

• A) The mRNA is quickly converted into a ribosomal subunit.
• B) The cell adds a new poly-A tail to the mRNA.
• C) The mRNA attaches to a ribosome and is translated, but more slowly.
• D) The molecule is digested by enzymes because it is not protected at the 5′ end.

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Definitions:

EOF Mark

An indication of the end of a file, used by a computer to understand where the content of a file ends.

Unix Operating Systems

A family of multitasking, multiuser computer operating systems that derive from the original UNIX system developed at AT&T's Bell Labs in the early 1970s.

Ctrl and D

A keyboard shortcut typically used to signify the end of an input stream in Unix and Unix-like operating systems.

EOF Mark

A specific marker used in computing to signify the end of a file (EOF), indicating no more data can be read from it.