13Plant Structure TransportEasy1 mark
What are the features of the cell walls in a xylem vessel?
| end wall | side wall | |
|---|---|---|
| A | absent | thick |
| B | absent | thin |
| C | present | thick |
| D | present | thin |
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| end wall | side wall | |
|---|---|---|
| A | absent | thick |
| B | absent | thin |
| C | present | thick |
| D | present | thin |