Cell Types Flashcards

1
Q

Parenchyma cells form what kind of tissue?

A

Ground tissue

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2
Q

Fibers are part of what type of tissue?

A

Ground tissue

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3
Q

Sclerids are a part of what type of tissue

A

Ground tissue

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4
Q

Collenchyma cells make up what kind of tissue?

A

Ground tissue

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5
Q

Are vessel elements alive or dead

A

Dead

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6
Q

Are tracheids alive or dead?

A

Dead

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7
Q

Are sclerids alive or dead?

A

Dead

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8
Q

Are fibers alive or dead?

A

Dead

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9
Q

Are parenchyma cells alive or dead?

A

Alive

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10
Q

Are collenchyma cells alive or dead?

A

Alive

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11
Q

Are sieve tubes alive or dead

A

Partially alive

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12
Q

Are companion cells alive or dead

A

Partially alive

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13
Q

Are epidermis cells alive or dead

A

Alive

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14
Q

Are guard cells alive or dead

A

Alive

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15
Q

What is the function of sieve tubes?

A

To transport water and sugar

Source to sink

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16
Q

What is the function of collenchyma cells

A

Flexible support

17
Q

What is the function of fibers?

A

Rigid support

18
Q

What is the function of sclerids?

A

To harden (protection)

19
Q

What is the function of palisade parenchyma

A

Photosynthesis

20
Q

What is the function of spongy parenchyma cells?

A

Gas exchange

21
Q

General functions of parenchyma cells include:

A

Storage, mitotic growth, gas exchange, and photosnthesis

22
Q

Root hairs rise from…? Fx?

A

Root hairs are extensions of epidermal cells and increase surface area

23
Q

Purpose of dermal cells

A

outer protection/gas exchange

24
Q

Three components of dermal tissue

A

epidermis/periderm- analogus to skin
cuticle- waxy coating preserve water
secretory cells

25
Q

Describe trichomes

A

they can be on roots for absorbing, in halophites they excrete salt.

26
Q

Describe sieve plates

A

modified plasmodesmata in xylem