Released STAAR Biology EOC · 2026 · Item 8 · 1 point

Walkthrough: Biology 2026, Item 8

B.5B · Cell Complexity · unscored study

A table records whether flagellum, nucleus, chloroplast, and cell wall are present in four specimens. Cell 3 has a flagellum and cell wall, but no nucleus or chloroplast. — Light-microscope observations of four cellsOriginal visual from the released STAAR test.

A student views four cells under a light microscope and records some observations in the table shown. Which observation in the table can be used to identify one of the cells as a prokaryote?

Response format: select one location on the figure.

1. Understand the question

You need the one observation in the table that proves a cell is prokaryotic. The key difference is whether there is a nucleus.

Try the question on your own first, then reveal one step at a time.

2. Solve it step by step

Practice released items for this skill Back to the lesson

Question, artwork, answer key and rationale: Texas Education Agency released STAAR test. Walkthrough steps written by TEKSForge. Studying here does not change your mastery or scores.