________ Are Data That Were Collected for Another Purpose and Already

question 90

Multiple Choice

________ are data that were collected for another purpose and already exist.

• A) Primary data
• B) Secondary data
• C) Primitive data
• D) Cross-sectional data
• E) Ordinate data

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Definitions:

Ribosomes

Cellular structures responsible for protein synthesis, reading mRNA sequences to assemble amino acids into polypeptides.

Protein Synthesis

The cellular process of building proteins from amino acids based on the instructions coded in DNA and mediated by RNA.

Microfilament

Cytoskeletal element composed of actin subunits; reinforces cell membranes; functions in movement and muscle contraction.

Muscle Contraction

The process by which muscle fibers produce force and tension through the sliding of actin and myosin filaments, powered by ATP.