Transportation in Vascular Plants

Question 0

Water and minerals are transported by ________.

Answer 0

Xylem

Question 1

This is the physiological process that creates a driving force to pull water through a plant from soil.

Answer 1

Transpiration

Question 2

This is transported by phloem to growing tissues or storage organs.

Answer 2

Sugar

Question 3

This is transport BETWEEN CELLS.

Answer 3

Cellular-level transport

Question 4

This is the movement of materials into or out of a cell DOWN a concentration gradient.

Answer 4

Passive transport

Question 5

This is the passive movement of molecules from areas of HIGH TO LOW concentration.

Answer 5

Simple diffusion (passive transport)

Question 6

This is the SIMPLE DIFFUSION of water through a selectively PERMEABLE MEMBRANE.

Answer 6

Osmosis

Question 7

These are membrane pores formed by proteins.

Answer 7

Channels

Question 8

These are proteins that transport molecules across the plasma membrane.

Answer 8

Transporters

Question 9

This is the movement of materials into or out of the cell against a concentration gradient.

Answer 9

Active transport

Question 10

These create potential energy by way of creating a large membrane potential.

Answer 10

Proton pumps

Question 11

True or False: proton pumps use energy from ____ to pump K+ ions out of the cell.

Answer 11

FALSE, proton pumps use energy from ATP to pump H+ ions out of the cell

Question 12

This is the measurable quantity that includes the side effects of solute concentration and physical pressure.

Answer 12

Water potential

Question 13

Acquisition and transpiration occur at what three scales?

Answer 13

Cellular (between cells)
Short-distance (between tissues and organs)
Long distance (throughout plant)

Question 14

This is the term for when a plant cell’s plasma membrane is tightly against the cell wall.

Answer 14

Turgid plant cell

Question 15

This is the term for when a plant cell’s plasma membrane is away from the cell wall.

Answer 15

Plasmolyzed plant cell

Question 16

This is the term for when a plant cell’s plasma membrane is not tight against the cell wall.

Answer 16

Flaccid plant cell

Question 17

What are the three forms in which SHORT DISTANCE TRANSPORT occurs?

Answer 17

Transmembrane transport
Symplastic transport
Apoplastic transport

Question 18

These are channels that connect cytoplasm of adjacent cells.

Answer 18

Plasmodesmata

Question 19

This is where sugars are produced.

Answer 19

Sugar source

Question 20

The is where sugars are consumed

Answer 20

Sugar sinks

Question 21

This is the export of material from one cell followed by import of the same substance by an adjacent cell.

Answer 21

Transmembrane transport

Question 22

This is the movement of a substance from the cytosol of one cell to the cytosol of an adjacent cell by way of the plasmodesmata

Answer 22

Symplastic transport

Question 23

This is an entire network of cytosols and plasmodesmata.

Answer 23

Symplast

Question 24

This is the continuum if cell walls and intercellular spaces.

Answer 24

Apoplast

Question 25

This is the thin cylinder of tissue that forms a barrier between the cortex and central core of vascular tissue.

Answer 25

Endodermis

Question 26

These are ribbon-like strips of suberin located in endodermal cells.

Answer 26

Casparian strips

Question 27

The mass movement of liquid as a result of gravity, pressure or both.

Answer 27

Bulk flow

Question 28

This is the loading of sugar into sieve tubes by way of active transport.

Answer 28

Phloem loading