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Intro to Botany > Cell Types and Tissues > Flashcards

Cell Types and Tissues Flashcards

1
Q

cell differentiation

A

process of changing from one trypw of cell to another type of cell
regulated process

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2
Q

Meristematic cells

A

undifferentiated cells
only cells that perform mitosis

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3
Q

Types of meristematic tissues

A

apical
intercalary
Proambium
protoderm
vasc cambium
cork cambium
pericycle

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4
Q

Apical Meristem

A

root and chute elongation
top = newest part

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5
Q

intercalary mersitem

A

monocots, found at nodes (bamboo)

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6
Q

protoderm

A

epidermal cells
cutin

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7
Q

cutin

A

waterproof molecule in protoderm

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8
Q

vascular cambium

A

makes secondary xylem and phloem
wood in plant
in older woody plants

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9
Q

WHat makes up wood in plant

A

vasc ca,bium

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10
Q

Procambium

A

vasc cambium
primary xylem and phloem

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11
Q

pericycle

A

secondary roots

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12
Q

cork cambium

A

bark
Periderm
Sucrin- waterproof

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13
Q

Sucrin

A

waterproof molecule in cells

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14
Q

does parenchyma have a secondary cell wall

A

no

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15
Q

the enchymas

A

comes from ground meristem

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16
Q

parenchyma

A

leaves petals fruits seeds
most common
NO SECONDARY CELL WALL
alive at maturity
can do cell division
storage cells
wound healing

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17
Q

Pith

A

where find parenchyma cells
Vasc bundles of xylem and phloem
where pathogens attack

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18
Q

chlorenchyma

A

Parenchyma cells that perform photo

19
Q

collenchyma

A

Thickened corners
celery strings
increased deposits of cell wall materials
living elongated cells

20
Q

Celery cell type

A

collenchyma

21
Q

Sclerenchyma

A

very thick secondary cell wall w lignin
usually dead
x expand w turgor pressure

22
Q

Lignin

A

waterproof molecule in sclerenechyma

23
Q

Fibers (sclerenchyma cells)

A

long cells, conducting sclerenchyma stem roots tree trunks

24
Q

sclerids

A

shorter walnut shells, dies after secondary cell wall is formed

25
Q

Epidermal Cells

A

make up epidermis tissue
outer most later of plant
(skin)

26
Q

epidermis tissue

A

protects plants is transparent

27
Q

Periderm

A

Cork cells form periderm
bark

28
Q

Cork Cambium + Layers of cork cells =

A

periderm

29
Q

Xylem

A

tissue that conducts water and minerals

30
Q

Where is primary xylem located

A

procambium

31
Q

where is secondary xylem located

A

vasc cambium

32
Q

are treacheids alive or dead at maturity

A

dead

33
Q

tracheids

A

cells that transport water and minerals, diff from parenchyma cells

34
Q

what does a tracheid cell look like

A

elongated thick cell walls
inside hollow = water movement
pits in cell wall so fluid can move from one cell to the next

35
Q

vessel elements

A

conduct water and minerals
dead at maturity
shorter and wider than tracheids
fully open ho;es where two cells meet = less friction

36
Q

stack of vessel elements

A

stack

37
Q

Phloem

A

Vasc tissue that conducts sugar

made up of parenchyma fibers

38
Q

2 types of phloem cells

A

Sieve tube members
compainion cells

39
Q

Sieve tube members

A

Phloem cell that transports sugar

elongated cell w pore @ end of wall- sieve plates

NO nucleus

40
Q

Sieve plate

A

hole at end of sieve tube member wall

41
Q

DOes every sieve tube member have a companion cell

A

yes

42
Q

Do sieve tube members have a nucleus

A

no

43
Q

Compainion cells

A

next to sieve tube elements

sends message to manage sieve tube elements

44
Q

Glandular cells

A

Secretory cells

Formed from parenchyma cells

More ER and dictyosomes

Lots of sugars and minerals

Intro to Botany (27 decks)

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