What MRNA Modification, Just 5'to the Start Codon, Is Used

question 11

Multiple Choice

What mRNA modification, just 5'to the start codon, is used by the eukaryotic cell to enable location of the first AUG codon?

• A)a sequence of UAUAUA
• B)a short sequence that forms a hairpin loop
• C)a GC "box" that is recognized by eIFI
• D)a string of four to five O-methylguanine residues
• E)7-methylguanine cap on the 5' end of the mRNA

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Definitions:

Statistical Tests

Procedures used in inferential statistics to determine the probability of a hypothesis being true based on sample data.

Degrees of Freedom

The amount of distinct quantities or measures which are assignable to a statistical distribution without contravening existing constraints.

Test Statistic

A numerical value derived from an experiment's data, utilized in hypothesis testing to decide if the null hypothesis should be dismissed.

T Value

A ratio that is derived from the standardized difference between two sample means in a t-test, used to determine the statistical significance of the difference.