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Intro to Botany > Root Anatomy > Flashcards

Root Anatomy Flashcards

1
Q

Root apical meristem

A

mitosis

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2
Q

mucigel

A

helps reduce friction as root goes through soil

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3
Q

what is mucigel produced by

A

the dictyosomes of root cap cells

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4
Q

From inside to out how list 3 areas

A

procambium
ground meristem
protoderm

i think

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5
Q

procambium

A

center
primary xylem and phloem

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6
Q

protoderm

A

outside
epidermis

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7
Q

ground meristem

A

cortex in middle

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8
Q

what is the cortex made of

A

parenchyma cells

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9
Q

WHat happens to vacuoles in zone of elongation

A

a few sm vacuoles fuse to one large vacuole

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10
Q

do root epidermal cells have cutin

A

no

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11
Q

endodermis

A

band of cells that surrounds the vasc tissue of the root

innermost layer of parenchyma cells

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12
Q

what is suberin

A

wax (waterproof) that forms casparian strip

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13
Q

casparian strip

A

regulated the movement of water and nutrients

forces water to move inside cells or vasc tissue

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14
Q

is there a pith in a dicot root

A

no

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15
Q

Indeterminant growth

A

plants never stop growing

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16
Q

What type of plants have vasc cambium

A

woody plants

17
Q

Do monocots have vasc cambium in roots and stems

A

no

18
Q

What is another name for secondary root formation

A

lateral root formation

19
Q

Where do new cells grow from in secondary root formation

A

pericycle

20
Q

DOes each secondary root have its own root tip and apical meristem

A

yes

21
Q

Is secondary growth secondary root formation

A

no- its primary growth

22
Q

where does secondary growth occur

A

zone of secondary maturation

23
Q

WHat does the vasc cambium do

A

produces new cells

24
Q

Xylem 2 types of cells

A

vessels and tracheids

25
Q

Phloem 2 types of cells

A

sieve tubes and companion cells

26
Q

As the root thickens, what are crushed

A

endodermis and epidermis

27
Q

When pericycle is pushed to outer band of root, what does it start to do

A

mitosis

28
Q

WHat is periderm made out of

A

cork cells

29
Q

TF when the periderm is fully formed, the root cant thicken

A

F

30
Q

WHat type of molecule is cutin

A

a waterproofing one

31
Q

are cutin in epidermal cells of roots

A

no

32
Q

WHat 2 functions do secondary growth roots for

A

stability and storage

33
Q

LABEL INSIDE OF ROOT

A

(pith, xylem, phloem, etc

34
Q

WHat type of roots have piths

A

monocots

35
Q

Do monocots have vasc cambium

A

no`

36
Q

Does the pericycle become the cork cambium in monocots

A

no only dicots

37
Q

are there secondary xylem and phloem in monocot roots

A

no

Intro to Botany (27 decks)

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