Dinsdag - Raven
7 important questions on Dinsdag - Raven
What are the reserves in beets and such used for during the second year?
What is a taproot system?
What is the root:shoot ratio?
If roots reduce, shoots reduce. (lack of water+mineralst, root hormones)
If shoots reduce, roots reduce. (lack of carbohydrates and shoot hormones)
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What are border cells and what function do they have?
- koolstof opslaan
- protection of apical meristem from infection
- maintenance of intimate root-soil contact
- mobilization of essential elements for uptake by the roots
- short-term protection from drying out (desiccation)
- specific attraction or repulsion of bacteria
- wortel begeleiden door grond
What is the region of elongation?
Why is the pericycle considered a part of the vascular cylinder?
What is secondary growth in roots and stems?
- The formation of (1) secondary vascular tissues, that is, secondary xylem and secondary phloem, from a vascular cambium
- The formation of periderm, composed mostly of cork tissue, from a cork cambium.
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