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Botany > Leaves > Flashcards

Leaves Flashcards

1
Q

origin

A

leaf primordium

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2
Q

what is the leaf made up of?

A

petiule and blade

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3
Q

what is the function of the epidermis

A

keep water in

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4
Q

the mesophyll is divide into ____ layers

A

two

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5
Q

what are the two layers that make up the mesophylll

A

the palisade and spongey

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6
Q

the palisade is the ___ layer of cells

A

upper

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7
Q

the spongey is the ___ layer of cells

A

lower

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8
Q

what runs through the mesophyll

A

veins and vascular bundles

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9
Q

the transport tissue in leaves are?

A

xylem and phloem

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10
Q

what do guard cells have to do with

A

chloroplasts

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11
Q

what is the function of guard cells

A

regulate the size of holes in the epidermis

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12
Q

what layer does most of the photosynthesis

A

palisade

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13
Q

C4 leaves have mesphyll without what?

A

palisade and spongey

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14
Q

xerophytic

A

dry places

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15
Q

hydrophytic

A

wet

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16
Q

mesophytic

A

moderate

17
Q

sun leaves have ____ of palisade

A

mulitiple layers

18
Q

shade leaves have ____ of palisade

A

one layer

19
Q

more light means…

A

more to do photosynthesis

20
Q

sun leaves have ___ surface layers

A

small

21
Q

shade leaves have ___ surface layers

A

large

22
Q

what cells are filled with water and keep the leaf open horizontally

A

bulliform cells

23
Q

xerophytic leaves have thicker ____

A

cuticle

24
Q

what kind of epidermis does a xerophytic leaf have

A

multilayer

25
Q

which type of leaf does not have an epidermis

A

hydrophytic

26
Q

what is abundant in hydrophytic leaves?

A

aerenchyma

27
Q

leaf modification to catch insects

A

insectivorous

28
Q

how does a pitcher plant catch its prey

A

hairs inside keep the insect from crawling out and waxy area to help them slide down

29
Q

what are the two proteins found in pitcher plants to digest insects

A

chitinase and proteinase

30
Q

liquid that is sticky and full of enzymes to keep bugs in

A

sundew

31
Q

what are the two types of betalains

A

betacyanin and betaxanthins

32
Q

plants produce either _____ or ______ but always produce _______

A

anthocyanins, betalains, carotenoids

33
Q

as plants undergo dormancy what happens to chlorophyll?

A

it breaks down

34
Q

when are anthocyanins produced?

A

bright sunny days and cool crips evenings

35
Q

leaves fall off

A

abscission

36
Q

hormone transported down the blade that decreases in the fall

A

aoxin

Botany (21 decks)

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