Released STAAR Biology EOC · 2025 · Item 13 · 2 points
Walkthrough: Biology 2025, Item 13
B.6C · Cell Cycle Disruptions · unscored study
The intestine is lined with many fingerlike structures called villi, which allow increased absorption of digested materials. The cells within a villus change position and migrate as they mature. Each cell then dies and is sloughed off. For each of three locations within villi, the table shows the number of cells that are undergoing a cellular change called apoptosis, or programmed cell death. Based on the information in the table, how does apoptosis LIKELY affect cells? Move the correct answer to each box. Not all answers will be used. Not all answers can be moved to all boxes.
| Location within Villi | Number of Cells Undergoing Apoptosis (per 200 Villi Samples) |
|---|---|
| Base | 0 |
| Middle | 60 |
| Top | 80 |
- Apoptosis is a normal cellular process that ___ cells.Options: repairs DNA in / destroys
- A cell may enter apoptosis ___.Options: before it produces DNA for new daughter cells / at the end of its lifespan
- Without apoptosis, the cell may ___.Options: reduce its metabolism / become cancerous
1. Understand the question
Use the table on apoptosis in the villi to complete three sentences. Each box has two possible answers.
Try the question on your own first, then reveal one step at a time.
2. Solve it step by step
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.