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Know the
following:
- water potential of a turgid
plant cell in pure water
- adaptations of hydrophytes
- what occurs if guard &
surrounding epidermal cells are K+ deficient
- how stomata are opened &
closed
- what must the plant expend for
bulk flow of water in the root apoplast
- which part of an oat seedling
detects the direction of light
- effect of gibberellins on the
aleurone layer of seeds
- how plant hormones determine the
bending of plants toward light
- what hormone might produce
normal growth in a mutant dwarf plant
- what can function as a sink in
plants
- why does photosynthesis decrease
in wilting leaves
- what are epiphytes
- what is chlorosis
- what soil characteristics would
be the least productive to plant growth
- what happens to most water taken
up by a plant
- how solutes move in plants
according to the pressure-flow hypothesis of phloem transport
- what causes guttation to occur
- why does most of the water in
xylem move upward in a tree
- what property of water causes
cohesion of its molecules
- function of companion cells
- what 2 elements make up most of
the dry weight of plants
- what could be the harmful effect
of spraying a fungicide on a woodlot
- what do carnivorous plants
supplement by eating insects
- why is nitrogen fixation so
important
- what would be characteristics of
soil well suited for plant growth
- what is the function of
micronutrients in plants
- what elements are micronutrients
needed by plants
- what elements are macronutrients
needed by plants
- what is meant by double
fertilization
- what are some
"vegetables" that technically are fruits
- why is sexual reproduction an
advantage to plants
- what is the megaspore
mother cell & what does it do
- what do male gametophytes
produce in plants
- name 4 flower parts that are
modified leaves
- what is the function of a seed's
radicle
- what forms pollen on a plant
- what do the 2 sperm nuclei
fertilize in plants
- what causes seed germination
- what floral parts are involved
in pollination & fertilization
- what things can function in
signal transduction in plants
- what is needed by a short-day
plant for it to flower
- what type of tropism do vines
use to grow toward tropical trees
- why do plants use changes in
photoperiods instead of air temperature changes to trigger dormancy
- what is needed to get
poinsettias to bloom early in December
- do plant hormones act the same
on all root & stem tissues
- what hormone is involved in the
rapid opening & closing of stomata
- what effect do auxins have on
stem cuttings that are to be rooted
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