In a Crosstabulation​

question 15

Multiple Choice

In a crosstabulation​

• A) ​both variables must be categorical.
• B) ​both variables must be quantitative.
• C) ​one variable must be categorical and the other must be quantitative.
• D) ​either or both variables can be categorical or quantitative.

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Definitions:

Codons

Sequences of three DNA or RNA nucleotides that correspond to a specific amino acid or stop signal during protein synthesis.

tRNA

Transfer RNA, a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during the process of translation.

mRNA

Messenger RNA, a type of RNA that conveys genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression.

Microvilli

Microscopic cellular membrane protrusions that increase surface area for absorption, particularly in the intestines.