1. Plant Cells and Tissues Flashcards

1
Q

What is the basic unit of all plants and is eukaryotic, i.e. they have a membrane-bound nucleus and organelles. It is also bounded by plasma membrane

A

Plant cell

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2
Q

What is made up of a phospholipid bilayer with embedded proteins functions to contain cellular components, cell-to-cell recognition, and transport of compounds.

A

Plasma membrane

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3
Q

What contains organelles and ergastic substances?

A

Protoplasm

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4
Q

What is a double-membrane bound that
contains DNA

A

Nucleus

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5
Q

a double-membrane bound
with cristae for electron transport

A

Mitochondria

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6
Q

a membrane-bound sac that
functions for storage

A

Vacuole

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7
Q

Composed of interconnected
phospholipid membranes and it is a
site of protein synthesis and
material transport

A

Endoplasmic reticulum

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8
Q

What is the site of protein synthesis?

A

Ribosomes

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9
Q

Composed of parallel stacks of
flattened membranes and function in transport and
modification of compounds

A

Golgi bodies

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10
Q

Ergastic Substances:
What is carotenoid-containing bodies that
provide red to yellow pigmentation

A

Chromoplasts

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11
Q

Ergastic Substances:
What is the lamellate deposits of starch?

A

Amyloplasts (starch grains)

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12
Q

Ergastic Substances:
It is the granular protein deposits

A

Aleurone grains (proteinoplasts)

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13
Q

Ergastic Substances:
What is the phenol derivatives that deter
herbivory and parasite growth

A

Tannins

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14
Q

What do you call the non-living materials found in cells that are products of metabolism?

A

Ergastic substances

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15
Q

Ergastic Substances:
What may be composed of silica or calcium oxalate
may function as waste products, as calcium ion sinks, or as an irritant to deter herbivory?

A

Crystals

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16
Q

What function as high energy storage compounds or secretion products?

A

Fats, oils, waxes

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17
Q

What layer functions to bind adjacent cells together?

A

Middle lamella

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18
Q

The cell wall that is secreted soon after cell division and
that is maintained during cell growth is called the?

A

Primary cell wall

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19
Q

What do you call the ultramicroscopic
pores that forms within the primary cell wall?

A

Plasmodesmata

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20
Q

A group of plasmodesmata is called a?

A

Primary pit field

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21
Q

what is formed after the plant cell has ceased growth
and is composed partly of cellulose but also
contains lignin?

A

Secondary wall

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22
Q

In virtually all plant cells with lignified cell walls,
there are holes in the secondary wall called ______.

A

Pits

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23
Q

Pits of adjacent cells often occur opposite one
another, as _________

A

Pit-pairs

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24
Q

What is the initiation, expansion, and specialization of cells?

A

Plant growth

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25
What is the region of actively dividing cells in mature gametophytes or sporophytes?
Meristem
26
What is located at the apices of roots and shoots resulting growth in height or length?
Apical meristems
27
What is cylindrical sheaths of cells which function in growth that increases width or girth?
Lateral meristems
28
What is a series of changes that a cell undergoes from inception to maturity?
Cell differentiation
29
What are the 2 processes of cell differentiation?
Cell expansion and maturation/speciation
30
____________ cell grows in size ________________ cell acquires structural and functional features at maturity
Cell expansion and maturation/speciation
31
This plant tissue makes up the outer region of the plant and functions in mechanical protection and prevention of desiccation
Dermal tissue
32
This plant tissue occurs inside the epidermis but is not part of the vascular tissue
Ground tissue
33
This plant tissue is the main transport system of plants and is composed of xylem and phloem
Vascular tissue
34
Dermal tissue consists of the ___________ (periderm in woody plants)
epidermis
35
This tissue secrete a layer of cutin (cuticle) outside the cell wall and are living at maturity
Dermal tissue
36
What is the epidermal cells specialized for gas exchange?
Stomates
37
Cellular appendages that grow from epidermal cells, May function in protection from UV light of herbivory, and May function in digestion in carnivorous plants
Trichomes
38
Ground tissue is composed of three cell types, what are these?
Parenchyma, Collenchyma, and Sclerenchyma
39
what is this type of a ground tissue that is unspecialized, undifferentiated cells of actively dividing meristematic tissue?
Parenchyma
40
This type of ground tissue have cells that are isodiametric to elongate, have a primary cell wall only, are living at maturity and potentially capable of cell division, function in metabolic activities and in wound healing and regeneration, capable of transforming into a meristem to form new roots or shoots
Parenchyma
41
This type of ground tissue have cells that are elongate, have only a primary cell wall that is unevenly thickened and rich in pectins and is living at maturity function in mechanical support; found at periphery of stems or leaves can be stretched during elongation growth
Collenchyma
42
This type of ground tissue have cells that have thick, lignified secondary walls which may have pits and are dead at maturity
Sclerenchyma
43
What are the two type of Sclerenchyma?
Fibers and Sclereids
44
This is a type of Sclerenchyma that is long, narrow cells with sharply tapering end wall and function in mechanical support
Fibers
45
This is a type of Sclerenchyma that is isodiametric to irregular in shape and often branched and may also function in structural support but role is unclear
Sclereids
46
The vascular tissue is made up of what?
xylem and phloem
47
What is composed of tracheary elements? - are elongate to short - have lignified secondary cell walls with pits - dead at maturity; protoplasts degrade, leaving only cell walls - joined end-to-end to form a tube like continuum that conducts water and dissolved essential mineral nutrients from roots to other parts of the plant
Xylem
48
What are the two types of tracheary elements?
Tracheids and Vessel members
49
This is one of the treachery element that is junction between end-to-end cells is imperforate water and mineral nutrients flow between adjacent cells through pit pairs primitive type of tracheary element
Tracheids
50
This is one of the treachery element that is a junction between end-to-end cells is perforate there are one or more continuous holes between adjacent cells through which water and minerals may pass
Vessel members
51
What is the contact area of two adjacent vessel members is called?
Perforation plate
52
_________ - perforation plate is composed of a single opening while ____________ - perforation plate is composed of several pores
simple, compound
53
what is composed of specialized cells called sieve elements?
Phloem
54
What is this? - elongate cells - have only a primary wall - semialive at maturity (only ER, mitochondria, and plastids are retained) - have specialized pores, aggregated together into sieve areas - each pore is lined with callose function to conduct dissolved sugars from sugar-rich to sugar-poor regions of the plant
Sieve elements
55
Vascular tissue: Phloem is composed of specialized cells called?
Sieve elements
56
What are the two types of sieve elements?
Sieve cells and sieve tube members
57
what type of sieve elements that have only sieve areas on both end and side walls parenchyma cells associated with them are called albuminous cells primitive sugar-conducting cell found in all non-flowering vascular plants
Sieve cells
58
what type of sieve elements that have both sieve areas and sieve plates consist of one or more sieve areas at the end wall junction of two sieve members pores are significantly larger than those of sieve areas on the side wall parenchyma cells associated with them are called companion cells found only in angiosperms
Sieve tube members
59
cells that secrete compounds, either internally (and stored within the cell) or externally (outside epidermis or into a canal or duct).
Secretory structures
60
These are trichomes that secrete fluid to outside at tip of trichome;
glandular or stinging (urent)
61
Specialized cells secreting sugar (or protein)- rich fluids to the outside that may be floral (associated with flowers as a reward for pollination) or extrafloral (often as a reward for protection)
nectaries
62
secrete excess transported water (usually due to root pressure) from leaf margins;
hydathodes,
63
which contain cells a lining of cells that secrete resin, oil, or mucilage
resin/oil/mucilage ducts or canals,
64
cells located in the periphery of some tissues that secrete and store latex.
laticifers