Biology 7 - Chapter 36 - Resource Acquisition And Transport In Vascular Plants

Front 1

Xylem

Back 1

Transport water and minerals from roots upwards.

Front 2

Phloem

Back 2

Carries nutrients from leaf to other parts of the plant.
Downward.
From Sources to sinks

Front 3

Large leaves are not present in plants in dry environments because....

Back 3

large leaves loose water.

Front 4

Phyllotaxy

Back 4

arangment of leaves on a stem
Angiosperms have alternating phyllotaxy to minimize shading.

Front 5

Leaf area index

Back 5

the fractional amount of leaf area covering the area of the circular area of the plant.

Front 6

Stele

Back 6

Contains Xylem and Phloem

Front 7

Taproots

Back 7

Anchor
typical of gymnosperms and eudicots

Front 8

roots and fungi hyphae mutualistic association is called....

Back 8

Mycorrhizae

Front 9

Mycorrhizai fungai have what advantage over plant roots?

Back 9

They cover more area and can absorb
Water, Minerals, phosphates.

Front 10

Apoplast

Back 10

cell wall
It is interrupted by the Casparian strip in roots,

Front 11

Symplast

Back 11

Inside membrane

Front 12

In plants, what is:
-Long Distance
-Short Distance

Back 12

In plants, what is:
-Long Distance = vertical flow
-Short Distance = Horizontal flow

Front 13

Name three Transport routs for water in plants

Back 13

Apoplastic
Symplastic
Transmembrane route

Front 14

Active transport needs what?

Back 14

transport requires ATP

Front 15

proton

Back 15

H+

Front 16

short distance transport across membranes

Back 16

Pumping (active transport) H+
cotransport of H+ and solutes

Front 17

Ion Channel

Back 17

only certain ions can pass

Front 18

Osmosis

Back 18

Water flow from low to high concentration

Front 19

Osmotic pressure

Back 19

Pressure on solution due to concentration gradients.
Solute potential

Front 20

Water Potential

Back 20

Sum of the Solute and pressure potential

Front 21

Pressure potential

Back 21

physical pressure on a solution

Front 22

Turgor pressure

Back 22

pressure potential by Protoplast and cell wall

Front 23

Protoplast

Back 23

living part of the cell

Front 24

A cell will wilt in

Back 24

high concentration solution

Front 25

Plasmolysis

Back 25

Protoplast shrinks
wilts

Front 26

If a cell is turgid the water has

Back 26

water

Front 27

Aquaporins

Back 27

transport proteins in the cell membrane that allow passage of water

Front 28

Bulk flow

Back 28

solution movement by pressure from transpiration

Front 29

Long distance transport uses....

Back 29

bulk flow

Front 30

Endodermis

Back 30

around xylem and phloem
inside cortex
transport water/minerals into xylem

Front 31

Casparian strip

Back 31

on endodermal wall
blocks apoplastic transfer

Front 32

Transpiration

Back 32

evaporated water pulls xylem sap up.

Front 33

guttation

Back 33

exudation of water in leaves from root pressure

Front 34

What help bring up Xylem sap?

Back 34

Adhesion and cohesion
Bulk flow
-transpiration
-root pressure

Front 35

Stomata

Back 35

Gaurd cells
control water loss and gas exchange

Front 36

Stomata open and close by...

Back 36

turgig/flacid guard cells
k+ concentration
circadian rhythms

Front 37

Crassulacean Acid Metabolism CAM

Back 37

stomatal gas exchange occurs at night

Front 38

translocation

Back 38

transportation of photosynthesis products.

Front 39

Phloem sap

Back 39

water and sucrose solution

Front 40

Sugar source

Back 40

Producer of sugar
leaves

Front 41

Sugar sink

Back 41

organ that consums or stores sugar

Front 42

Companion cell helps

Back 42

move sucrose from apoplast to symplast
using cotransport

Front 43

Phloem sap moves by

Back 43

squeezing pressure
countercurrent mechanism
-water flows into high concentration at source driving solution to sink