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gen. biology > PLANT CELLS AND TISSUES > Flashcards

PLANT CELLS AND TISSUES Flashcards

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AP® Biology flashcards
1
Q

plants are composed of there major organ groups:

A

roots, stems, and leaves

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2
Q

the most common plant cell type

A

Parenchyma cells

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3
Q

stores starch oils and water

A

Parenchyma cells

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4
Q

help heal wounds to the plant

A

Parenchyma cells

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5
Q

have thin flexible walls

A

Parenchyma cells

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6
Q

provide support to a growing plant

A

collenchyma cells

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7
Q

they are strong and flexible

A

collenchyma cells

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8
Q

celery strings are strands of ______

A

collenchyma cells

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9
Q

they have unevenly thick cell walls

A

collenchyma cells

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10
Q

are the strongest plant cell type

A

Sclerenchyma cells

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11
Q

second cell wall hardened by lignin

A

Sclerenchyma cells

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12
Q

die when they reach maturity

A

Sclerenchyma cells

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13
Q

used by humans to make linen and rope

A

Sclerenchyma cells

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14
Q

two types of plant tissue

A

meristematic tissue
permanent tissue

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15
Q

are found
in meristems, which are plant regions of continuous
cell division and growth.

A

Meristematic Tissue

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16
Q

are either undifferentiated
or incompletely differentiated, and they continue to
divide and contribute to the growth of the plant.

A

Meristematic Tissue

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17
Q

contain meristematic tissue located
at the tips of stems and roots, which enable a plant
to extend in length.

A

Apical meristems

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18
Q

facilitate growth in thickness or
girth in a maturing plant

A

Lateral meristems

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19
Q

occur only in
monocots, at the bases of leaf blades and
at nodes

A

Intercalary meristems

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20
Q

covers the outside of a plant.

A
  • Dermal tissue
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21
Q

protects the plant

A

Dermal tissue

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22
Q

secretes cuticle of leaves

A

Dermal tissue

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23
Q

forms outer bark of trees

A

Dermal tissue

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24
Q

is found inside a plant

A

Ground tissue

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25
Q

provides support

A

Ground tissue

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26
Q

stores materials in roots and stems

A

Ground tissue

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27
Q

most commonly made of parenchyma

A

Ground tissue

28
Q

transports water, minerals and organic
compounds

A

Vascular tissue

29
Q

two networks of hollow
tubes

A

Vascular tissue

30
Q

xylem transports water and
minerals

A

Vascular tissue

31
Q

phloem transports
photosynthetic products

A

Vascular tissue

32
Q

allows for the transport of
water, minerals, and sugars

A

Vascular system

33
Q

Water and dissolved minerals move
through _____

A

xylem

34
Q

contains specialized cells.

A

Xylem

35
Q

_____ elements are short and wide

A

vessel

36
Q

are long and narrow

A

tracheid cells

37
Q

cells die at maturity

A

xylem

38
Q

Plants passively transport water through the _____

A

xylem

39
Q

is the tendency of water molecules to bond with
each other.

A

cohesion

40
Q

is the
tendency of water
molecules to bond
with other
substances

A

Adhesion

41
Q

explains water movement

A

cohesion-tension theory

42
Q

cohesion and adhesion in ____

A

xylem

43
Q

– transpiration at

A

leaves

44
Q

absorption occurs at

A

roots

45
Q

Water travels from

A

roots to the top of trees

46
Q

is the evaporation of water through leaf stomata.

A

transpiration

47
Q

is the loss of water
vapor through leaves.

A

Transpiration

48
Q

water vapor exits leaf stomata

A

Transpiration

49
Q

helps pull water to the top
branches

A

Transpiration

50
Q

carries sugars from
photosynthesis throughout the plant

A

Phloem

51
Q

contains specialized
cells.

A

Phloem

52
Q

sieve tube elements have holes at
ends

A

Phloem

53
Q

companion cells help sieve tube
elements

A

Phloem

54
Q

unlike xylem, phloem tissue is___

A

alive

55
Q

explains sugar movement

A

Pressure-flow model

56
Q

plants actively transport sugar from the source

A

Pressure-flow

57
Q

sugar flows to the sink due to pressure differences

A

Pressure-flow

58
Q

move from their
source, such as
photosynthesizing
leaves, into the phloem.

A

sugar

59
Q

moves from
the xylem into the
phloem by osmosis,
due to the higher
concentration of the
sugars in the phloem.

A

water

60
Q

move into
the sink, such as root
or fruit, where the are
stored

A

sugar

61
Q

Roots and stems form the support system of ___

A

vascular plants.

62
Q

Where meristematic tissue found?

A

Meristems

63
Q

____ transports water and minerals

A

Xylem

64
Q

___ transports photosynthetic products

A

Phloem

65
Q

It is the major force moving water through plants.

A

transpiration

66
Q

Water and dissolved minerals in the soil are pulled into roots through cell walls, through plasmodesmata (channels), or from cell to cell through their vacuoles.

A

Absorption

gen. biology (18 decks)

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