Lesson plan
Root cap
2. Columellae (statocytes with statolithes) 3. Lateral part of the tip 4. Dead cells 5. Elongation zone The root cap (also called the calyptra) is a small but multitasking organ that covers the very tip of every growing plant root. It shields the delicate apical meristem from mechanical damage, lubricates the root's passage through soil, and houses specialised gravity-sensing cells that guide the root's overall direction of growth.
Article summary
2. Columellae (statocytes with statolithes) 3. Lateral part of the tip 4. Dead cells 5. Elongation zone The root cap (also called the calyptra) is a small but multitasking organ that covers the very tip of every growing plant root. It shields the delicate apical meristem from mechanical damage, lubricates the root's passage through soil, and houses specialised gravity-sensing cells that guide the root's overall direction of growth.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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