How Many Possible Protein Primary Structures Are There for a Tripeptide

question 40

Multiple Choice

How many possible protein primary structures are there for a tripeptide given the 20 amino acids?

• A) 3²⁰
• B) 400
• C) 20³
• D) 1.27 *10¹³⁰

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Definitions:

Normal Approximation

A method used to approximate the distribution of sample statistics to a normal distribution, particularly useful for large sample sizes.

Alternative Hypothesis

The hypothesis that suggests there is an effect or difference, in contrast to the null hypothesis.

P-Value

The probability of observing a test statistic at least as extreme as the one observed, under the assumption that the null hypothesis is true.

Sign Test

An approach that doesn't rely on parameter assumptions to check for differences in the median of paired samples.