Photosynthesis And Nutrition Flashcards

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1
Q

All plants have the same ____ reactions and different _____ reactions

A

Photochemical, biochemical

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2
Q

Most abundant pigment for photosynthesis

A

Alpha Chlorophyll

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3
Q

25% of chlorophyll

A

Beta chlorophyll

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4
Q

Carotenoids

A

Beta-carotene, xanthophyll, and phycobilins

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5
Q

Groups of funnel-like pigments

A

Photosystems

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6
Q

The splitting of water

A

Photolysis

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7
Q

Antennae complex, 4:1 chlorophyll:carotenoids

A

PS1

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8
Q

Antennae 1:1 chlorophyll:xanthophyll

A

PS2

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9
Q

Reaction center at 700

A

PS1

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10
Q

Reaction center at 680

A

PS2

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11
Q

Protein catalyst of carbon-fixing pathway

A

Rubisco

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12
Q

Carbon fixing pathway for majority of plants, all happens in mesophyll

A

C3 pathway

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13
Q

Rare pathway, concentrates CO2 so O2 fixing can’t occur

A

C4 pathway

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14
Q

In C4 plants, C4 happens in ___ and C3 happens in ____

A

Parenchyma of mesophyll, bundle sheaths

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15
Q

Protein catalyst of C4

A

PEP

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16
Q

Pathway that temporally separates C3 and C4

A

CAM Pathway

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17
Q

CAM Pathway

A

Stomates open at night and take in CO2, saves water

18
Q

Components of soil

A

Minerals, humus, water, air

19
Q

Sand

A

.2-2mm

20
Q

Silt

A

.002-.02mm

21
Q

Clay

A

Smaller than .002mm

22
Q

Large spaces between soil particles; function?

A

Non-capillary pore space; aeration

23
Q

30-60 micrometer spaces btwn particles; function?

A

Capillary pore space; water retention

24
Q

Height of space that exists in soil

A

Porosity

25
Q

Soil with no airspace

A

Saturated

26
Q

Soil capacity after gravity takes effect

A

Field capacity

27
Q

Soul capacity that causes plant dessiccation

A

Permanent wilting point

28
Q

Water held too tightly to be accessed

A

Hygroscopic water

29
Q

Micelle

A

Negatively charged, microscopic clay particle

30
Q

Plants are 97%

A

Carbon, hydrogen, and oxygen

31
Q

Essential mineral criteria

A
  1. Required for normal lifecycle
  2. No substitutes
  3. Directly involved in metabolism
32
Q

Macronutrients of plants

A

Carbon oxygen hydrogen magnesium phosphorous nitrogen potassium sulfur calcium

33
Q

Micronutrients of plants (

A

Iron manganese zinc boron chlorine copper molybdenum

34
Q

Adaptations to deficient soil

A

Carnivory
N-fixing bacteria
Mycorrhizae

35
Q

3 strategies for mineral exccesses

A

Store, accumulate, excrete

36
Q

Benefits of hyperaccumulation

A

Avoid toxicity
Disposal
Increased drought resistance
Defense

37
Q

Serpentine soil

A

NH3 rock type

38
Q

Plants removing contaminants from soil

A

Phytoaccumulation

39
Q

Using plants to extract metals from soil

A

Phytoextraction

40
Q

Using plants to detoxify soil

A

Phytodegradation