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30 Cards in this Set

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  • Back
two major groups of angiosperms
eudicots (dicots)
monocots
cabbage, daisies, flowering shrubs, trees
eudicots
orchids, palms, grasses, crop plants, rice
monocots
5 characteristics between monocots and dicots
-one cotyledon vs two
-parallel veins vs netlike veins
-vascular bundles arranged vs vascular bundles in a ring
-fibrous root system vs taproot system
-floral parts in multiples of 3 vs flower parts in multiple of 4 or 5
angiosperm diagram
study it
how is water transported in root system?
passive transport by osmosis or aquaporins
transport of water through cell wall
apoplastic pathway
transport of water and solutes through cytoplasm
symplastic pathway
responsible for primary growth, elongation of shoots and roots
apical meristem
absorb H20 and minerals from soil, increase surface area of epidermis
root hair
a waxy layer between endodermal cells to allow water but block apoplastic transfer of mineral flow into vascular cylinder (xylem)
casparian strip
type of mineral transport
active transport
-use H+ gradient by ATP by definition to make minerals enter root hair cells
cation uptake into plant cells
K+ enter cells by cation driven
anion uptake into cells
NO3- - cotransporters transport Anion and H- into cells
where do minerals go once they enter root hair cells?
sent to xylem through symplastic pathway
Xylem transports h20 and minerals from root tip to leaf tip=one direction
got it?
three properties of water and definition?
tension - ability to pull H20 column without breaking
cohesion - H20 sticks to each other by H bonds
adhesion - H20 sticks to cell wall of xylem against gravity
structures in a leaf that do photosynthesis?
palisade mesophyll cell, spongy mesophyll cells
-mesophyll in general
which structures of a leaf transport sucrose
phloem
which structure of a leaf transport water
xylem, water exchange through stoma
how is sucrose transported to phloem from mesophyll cells?
active transport across the H+ gradient using ATP, forces nutrients to enter phloem cells
source plant organ
leaf
sink plant organ
fruit
direction of sucrose after made
source to sink
cotransporters transport neutral and H+ into phloem cells
neutral (sucrose) solute uptake
tissue closest to the center of the stem in each vascular bundle
pith
produce secondary xylem cells on inside of meristem, produce secondary phloem cells on the outside of the meristem
vascular cambium (lateral meristem)
produce thickened cork cells
cork cambium (also lateral meristem) secondary growth
annual rings are seen in temperate zone trees because
phloem cell size and xylem cell size varies with season
diagram of components of flower
learn dat shyt