columns of living cells with small holes in the ends to allow materials to flow through
phloem transport
food substances (mainly dissolved sugars) made in the leaves (by photosynthesis) to growing regions (e.g. new shots) and storage organs (e.g. root tubers) of the plant
phloem transport in
both directions
phloem has
end walls
phloem is living
tissue
phloem has .... cells with lots of .... (to ..... ..... .... ..... .... ..... ....)
companion
mitochondria
release energy from respiration for sugar transport
phloems end walls are known as
perforated end plates
phloem mainly transports ..... , the movement of food substances around the plant is known as ..... this requires ....
sucrose
translocation
energy
xylem tubes take
water up
xylem carry water and minerals from
the roots to the stem and the leaves in the transpiration system
xylem are made of
dead cells joined end to end with no end walls between them and a hole down the middle (lumen)
the thick side walls of xylem are
strong and stiff which gives the plant support
is energy required for transpiration transport
no
sugars are made by photosynthesis in the
leaves
...... is an example of a sugar by photosynthesis
glucose
what cells in a plant need sugar and why
all cells in a plant need sugar for respiration
the tissue that transports sugars in plants is
phloem
water moves into the root by
osmosis
root have a branching structure to provide a
large surface area for absorbing water
roots are covered in long projections called root hairs which