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Botany
Cell Types
16
Biology
Undergraduate 2
04/12/2009

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Cards

Term
how many cell walls do parenchyma have?
Definition
primary
and some have a secondary cell wall too
Term
what is the cell wall like of a colenchyma cell?
Definition
unevenly thick primary wall only
Term
where do we see collenchyma cells?
Definition
right below the epidermal cells
Term
what is the main function of colenchyma cells?
Definition
support
Term
what is the layout of the cell wall of fiber cells?
Definition
primary wall
lignified secondary wall (very thick)
Term
where are fiber cells found?
Definition
stems, near xylem and phloem
in leaves of monocots (wheat)
Term
what is the purpose of sclerieds?
Definition
protection against herbavores (they can't bite through them)
Term
are tracheid cells alive or dead at maturity?
Definition
dead
Term
what are the tracheids most commonly associated with (xylem or phloem)
Definition
xylem
Term
what is a vessel member cell
Definition
a type of tracheid cell
long, cylindrical
has perforations.
a bunch stacked up=vessel
Term
where are vessels found? (what type of plant)
Definition
only in angiosperms
Term
what are seive cells associated with (xylem or phloem)(gymnosperm or angiosperm)
Definition
phloem
gymnosperms
Term
albumnious cells
Definition
these are like the companion cells for seive cells
Term
companion cell
Definition
associated with the seive tube elements
Term
what is the difference albuminous cells and companion cells?
Definition
companion cells are often derived from the same mother cell as the seive tube elements
Term
what type of cell has p-slime and callose?
Definition
sieve tube element
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