Bio 240W Finals Flashcards (Exam 3)

Front 1

The ___ is the waterproof cylinder of cells surrounding vascular tissue in roots.

Back 1

endodermis

Front 2

The ___ stores energy for the embryo.

Back 2

endosperm

Front 3

___ is an adaptation to increase of exposure to light in a dense forest.

Back 3

apical dominance

Front 4

Angiosperms are characterized by ___.

Back 4

fruits enclosing seeds.

Front 5

Secondary growth is an increase in ___ and occurs along the vascular cambium where secondary xylem and phloem is produced.

Back 5

width/girth

Front 6

The ___ is outside the secondary phloem.

Back 6

cork cambium

Front 7

___ cells are the outermost layer of the vascular cylinder in roots and are the sites for the growth of lateral roots.

Back 7

pericycle

Front 8

___ incompatibility occurs after pollen tube emergence, and ___ incompatability occurs between spore wlal and stigmatic tissue.

Back 8

gametophytic, sporophytic

Front 9

The ___ enzyme produced aromatic amino acids necessary in the plant. The enxyme is inhibited by ___ and is said to be a systemic herbicide.

Back 9

EPSP synthetase, glyphosate

Front 10

The closest relatives of plants are ___.

Back 10

charophytes (green algae)

Front 11

All mature plant cells possess a primary cell wall, chloroplast, large central vacuole but not a ___.

Back 11

secondary cell wallIn

Front 12

In Golden Rice, B-carotene is synthesized in the ___.

Back 12

endosperm

Front 13

Ancient forests whose remnants created most of Earth's coal were dominated by ___.

Back 13

giant lycopod trees

Front 14

Most of the wood in plants is a from ___.

Back 14

secondary xylem

Front 15

Plant cell expansion is the result of loosening in the cell wall due to ___ that initiates __ and uptake of water by the vacuole.

Back 15

acidity, expansins

Front 16

A major trend of evolution of land plants was the ____.

Back 16

reduction of the gametophytic stage

Front 17

Taproots are present in ___ and adventitious roots are present in ___.

Back 17

dicots, monocots

Front 18

Ground tissue inside the vascular tissue is known as ___ and outside the vascular tissue is known as ___.

Back 18

pith, cortex

Front 19

The ___ doesn't contain meristematic tissue.

Back 19

endodermis

Front 20

___ is closer to the axis and is the top surface of the leaf and ___ is farther from the axis and is the bottom surface of the leaf.

Back 20

adaxial, abaxial

Front 21

___ form xylem tissue and are thin/connected by pits that allow water movement. __ also form xylem tissue but are thicker and connected end to end.

Back 21

tracheids, vessel elements

Front 22

___ form phloem cells and are thick/connected end to end. Water transport between cells is allowed by ___ and they are supported by ___ cells.

Back 22

Sieve-tube elements, perforation plates, companion cells

Front 23

__ are dermal tissue that form spiky outgrowths.

Back 23

trichomes

Front 24

Three ground tissue are parenchmya, collenchyma, and scleremchyma. Parenchyma contain ____ and are ___. Collenchyma are alive at maturity but have no ___. Sclerenchyma cells have a thick ___ and are dead at maturity.

Back 24

no secondary cell wall, totipotent, secondary cell wall, secondary cell wall

Front 25

Gymnosperm seeds contain both ___ and ___ tissue.

Back 25

sporophytic and gametophytic

Front 26

Apical meristems are protected by ___.

Back 26

leaf primordia

Front 27

Size increase in plant is a result of ___ not ___.

Back 27

elongation, division

Front 28

___ is the shrinking of the cytoplasm and collapse of cell.

Back 28

plasmolysis

Front 29

Expansion polarity determined by ____ oriented around cell.

Back 29

cellulose microfibrils

Front 30

If a cell is isotonic to surroundings it is said to be ___. And if it is hypertonic to solution it is said to be ___.

Back 30

flaccid, turgid

Front 31

Agrobacterium tumefacians naturall transfer a ___ into the DNA of a plant.

Back 31

Ti Plasmid

Front 32

Bt toxin is toxic to ___ but not plants.

Back 32

insects

Front 33

When equilibrium is reached in a plant cell, the pressure potential is zero between the cell and solute.

Back 33

yes

Front 34

The xylem is supported by ___.

Back 34

lignin

Front 35

The ___ is the male structure that produces sperm and the ___ is the femal structure that produces eggs.

Back 35

antheridia, archegonia

Front 36

Bryophytes are ___.

Back 36

nonvascular plants (moss)

Front 37

The sporophyte is the dominant stage beginning in ___ plants.

Back 37

seedless/vascular

Front 38

Seed plants possess ____ in which there are different sexes of sperm formed because of two distinct sporangia tissue.

Back 38

heterospory

Front 39

In the sporophyte, the ___ divide to create spores.

Back 39

sporocytes

Front 40

The megasporohyll produces ___ that grows to female gametophyte. The microsporophyll produces ___ that grows to male gametophtye.

Back 40

megaspore, microspore

Front 41

The ovule is an ___ surrounding megasporangium and megaspore.

Back 41

integument

Front 42

Gametophytes undergo ___ to produce sperm and eggs.

Back 42

mitosis

Front 43

The order of flower structure from outer to inner is ___, ___, ___, ___. And the gene structure from outer to inner is A, B, C with _ being on top of _, _.

Back 43

sepal, petal, stame, carpel, B, A, C

Front 44

The male structure of a flower is the ___ and consists of the ___ and ___.

Back 44

stamen, anther, filament

Front 45

The female structure of a flower is the __ consists of the __, __, and __.

Back 45

carpel, stigma, style, ovary

Front 46

Shoot axillary buds develop from ___ tissue left from the shoot ___.

Back 46

meristematic, apical meristem