What Study of Type Would Be Most Appropriate When Data

question 3

Multiple Choice

What study of type would be most appropriate when data are collected at only one point in time?

• A) Cross-sectional
• B) Retrospective
• C) Longitudinal
• D) Prospective

---

Definitions:

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.

Protein Synthesis

A cellular process involving the assembly of amino acids into proteins based on the sequence of nucleotides in messenger RNA.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Transduction Pathway

A series of molecular interactions in which a signal is transmitted from the cell's surface to its interior, leading to a cellular response.