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Intro to Botany > water and mineral uptake > Flashcards

water and mineral uptake Flashcards

1
Q

where does CO2 come in

A

stomata in leaves

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2
Q

Are minerals food

A

no

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3
Q

Macronutrients

A

required in large quantities, fundamental to plant funcitons

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4
Q

ex of macronutrients for plants

A

N, P, Ca, Mg

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5
Q

Micronutrients

A

req in sm quantities, most support enzyme funciton

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6
Q

ex of micronutrients

A

Fe, Cl

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7
Q

Abiotic stress ex

A

light, water, nutrients

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8
Q

niotic stress ex

A

bacteria, fungi, insect

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9
Q

Absorbtion

A

water and minerals moving into plant

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10
Q

conduction

A

water and minerals moving through plant

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11
Q

TF sugar moves from leaves to fruit

A

yes, source to sink

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12
Q

diffusion

A

movement of molecules from high to low

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13
Q

osmosis

A

diffusion of water across a membrane

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14
Q

membrane function as a seperation

A

diff parts of DNA expressed
diff cell functions
ctrl over water and mineral movement

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15
Q

solution

A

solute + solvent
sweetened coffee

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16
Q

Solute

A

substances dissolved in solvent
sugar

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17
Q

solvent

A

sunstance that solutes dissolve in
black coffee

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18
Q

Molarity

A

the concentrationo f a solute in a solution

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19
Q

higher M = lower / higher solute value

A

higher

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20
Q

hypotonic outside of the cell

A

water wants to move into cell

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21
Q

isotonic outside of cell

A

water x want t move everywhere

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22
Q

turgid

A

water in cell - mwans well hydrated plant

23
Q

hypertonic outside of cell

A

water wants to move in membrane

24
Q

water freedom is opposite from molarity TF

A

T

25
Q

where does water want to move - higher or lower molarity

A

higher

26
Q

what organelle moderates the turgor pressure

A

vacuole

27
Q

How do plants regulate osmotic pressure

A

moving minerals in and out of cells

28
Q

water potential

A

measure of free energy in water

29
Q

TF water with more solutes has more free energy

A

false, less free energy

like pouring water and syrup

30
Q

TF water wants to move with water potential gradients

A

T

31
Q

pure water has the highest amt of potential energy TF

A

t

32
Q

more energy to less energy

A

T`

33
Q

TF water wants to dilute slutes

A

T

34
Q

simplistic movement

A

water move directly from cell to cell passing through membranes

35
Q

apoplastic movement

A

water moves thorough cell wall

36
Q

3 barriers to water movement

A

Moving across membrane
casparian strip
water x pure water

37
Q

aquaporins

A

proteins in membrane for water

38
Q

TF bc of aquaporins, water can move to xylem

A

T

39
Q

Is the simplastic pathway or apoplastic pathway conflicting with casparian strip

A

apoplastic

40
Q

look at diagram of 2 water movement walkways

A
41
Q

the most permiable place on root

A

root hair zone

42
Q

are older roots more or less permiable to water

A

less

43
Q

plant architecture

A

organization of plant roots

44
Q

hydrotropism

A

plants responding to moisture

45
Q

chemotropism

A

plants response to nutrients

46
Q

are diffusion and osmosis passive or active transport

A

passive
higher to lower

47
Q

which way does the gradient go

A

high to low energy

48
Q

does active transport req energy

A

yes

49
Q

how do molecules move across a gradient low to high

A

protein pumps, active trnasport

50
Q

does water enter plants through active or passive transport

A

active

51
Q

do minerals enter plants through active or passive transport

A

active or passive

52
Q

TF water soluble molecules still cant enter through water

A

F it can

53
Q

how does overfertilization occur

A

water wants to dilute solutes, water comes out of plant bc high energy to low energy

water needs to passively move into plants

54
Q

fertilizer burn

A

too much draws out water from the roots

Intro to Botany (27 decks)

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