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the presence of casparian striips forces substances entering and leaving the vascular cylinder to pass through the protoplasts of ____ cells endodermal
cells of the root cap columella secrete a highly hydrates polysaccharide called mucilage true
the endodermis is found in the outermost layer of cells of the cortex false
lateral roots originate from cells of the vascular cambium false
in the sambucus stem, phloem differentiates toward the ____ and xylem differentiates toward the ____ outside, center
bud primordial give rise to lateral shoots true
in most monocot but not eudicot stems, it is possible to distinguish the cortex from the pith false
leaves that lack a petiole are said to be sessile true
a bud is found in the axil of a leaf, not a leaflet true
most eudicot leaves have netted venation true
when you slice an onion, you are cutting though the leaves of a bud true
vascular cambium gives rise to secondary xylem, secondary phloem
a cell will develop into either a xylem or phloem tissue cell depending on what size of the vascular cambium it forms on false
the fusiform initial gives rise to sieve elements and vessel elements, while the ray initials give rise to ray parenchyma true
wood contains mostly secondary xylem
the order of tissues in the periderm, from the center of the plant towards the outside is cork, cork cambium, and phelloderm false
in woody roots and stems, only the secondary phloem in the current growth ring is active in long distance food transport true
all the periderms make up the outer bark true
Created by: emma.boc
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