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Structure and Growth
Transport in Plants
Plant Nutrition
Reproduction
Plant Responses
100
how are the vascular bundles arranged in a monocot stem
scattered throughout the stem
100
what transfers sugars and nutrients throughout the plant
the phloem
100
Elements required by plants in small amounts are called
micronutrients
100
A seed developes from.......
an ovule
100
phototropismis the growth of a shoot toward the light. True or false
true
200
The vascular cylinder contains the......
xylem, phloem and pith
200
______ bonds are responsible for the cohesion of water molecules
hydrogen
200
Elements required by plants in large amounts are called
macronutrients
200
what is the first step of fertilization?
pollenation
200
these help coordinate growth, development,and resposes to environmental stimuli
plant hormones
300
this is the point where leaves are attached to a stem
A Node
300
What controls the rate of transpiration
Guard cells
300
How do cations enter root hairs?
throught diffusion
300
what do sporophytes produce?
What is they produce hqpliod spores by meiosis
300
this typr of tree looses its leaves in preperation for the winter
decidious
400
what joins the leaf to to a node of the stem
a petiole
400
provides the major force for the movement of water and solutes from roots to leaves
Transpiration
400
The process of coverting nitrogen in the air to a form usable by palnts
Nitrogen fixation
400
what are the four basic floral organs
sepals petals stamens and carpels
400
Name three of the six major classes of plant hormones
Auxin, Cytokinins, Gibberellins, Abscisic acid, ethylene, brassinosteroids
500
what provides cells for secondary growth?
vascular cambium
500
what affectd the rate at which water diffuses down its water potential gradient
Aquaporins
500
what is the enzyme that catalyzes the conversion of atmospheric nitrogen to ammonia
nitrogenase
500
what three things make up a carpel?
stigma, style, and ovary
500
what hormone would you expect to stimulate the formation of buds and sprouts that form on tree stumps?
cytokinins