transport in plants Flashcards

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1
Q

Why do plants need a transport system?

A

-meeting metabolic demands
-large size
-small SA:V ratio

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2
Q

Chlorenchyma

A

cortex is made of chlorenchyma

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3
Q

Schlerenchyma

A

cap that protects the phloem

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4
Q

Parenchyma

A

packing cells

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5
Q

What is a cotyledon?

A

A significant part of the embryo within the seed of a plant
-usually becomes the embryonic first leaves of a seedling upon germination
-the number of cotyledons can be used by botanists to classify the flowering plants (angiosperms)

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6
Q

Where is the cambium located?

A

in between the phloem and xylem layers

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7
Q

Phloem location

A

on the outside in roots and stems but underneath in the leaf

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8
Q

Xylem location

A

on the inside in roots and steps but on top in leaves

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9
Q

Characteristics of a monocot

A

-one cotyledon in seed
-flower parts in threes or it’s multiples
-vascular bundles scattered in stem
-parallel leaf veins

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10
Q

Characteristics of a dicot

A

-two cotyledons in seed
-flower parts in fours,fives or their multiples
-vascular bundles in a definite ring
-leaf veins form a net pattern

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11
Q

Mechanism of water transport from roots through plant

A

-water is lost by evaporation/transpiration
-Water moves by the symplast and Apoplast pathways
-up stem by cohesion-tension/ root pressure/ capillary action
-water loss reduces the water potential of leaf cells
-water moves from higher water potential to lower water potential down the water potential gradient through the symplast pathway by osmosis through plasmodesmatap

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