PLB 105 Study Question for Lab Midterm(3)

PLB 105 Study Question for Lab Midterm(3) - Phloem 1. What...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Xylem 1. What are differences between primary and secondary xylem? 2. What kind of cell type can you find in primary xylem and secondary xylem? What are the differences? 3. What type of position of protoxylem can you find in stem? Endarch or exarch? 4. What kind of direction of tissue maturation can you find in stem? 5. What are functions of xylem? 6. What are pits? Name all the types of pits. 7. Name all types of pit arrangements. 8. Distinguish all the different patterns of centrifugal secondary wall deposition in protoxylem and metaxylem. 9. Is protoxylem older than metaxylem? 10. What is the difference between tracheid and vessel element? 11. What types of perforation plates can you find in vessel elements? 12. Distinguish all the three different planes of section: transverse sections (TS), radial longitudinal sections (RLS), and tangential longitudinal sections (TLS). 13. How does xylem look like in TS and LS?
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Phloem 1. What kind of cell type can you find in phloem? 2. What kind of direction of tissue maturation can you find in primary phloem in stem? 3. What is the difference between primary phloem and secondary phloem? 4. What types of phloem distribution can you find in primary phloem? 5. What is callose? Where can you find its deposition? What are possible functions of callose? What is it made of? If stained, what color does it have? 6. Compare and contrast the different cell types in gymnosperm and angiosperm for primary phloem? 7. Name different types of sieve plates you can find in sieve tube member. 8. Which one is more ancestral? Sieve tube member with compound sieve plate or simple sieve plate? 9. Compare and contrast callose with P-protein. Compare and contrast stain colors for phloem and xylem....
View Full Document

Ask a homework question - tutors are online