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BOTAONE > Photosynthesis > Flashcards

Photosynthesis Flashcards

1
Q

soil eaters (ancient Greeks)
produce O2 = dephlogisticated air

A

Plants

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2
Q

comes from water alone (Jean Baptiste van Helmont)

A

Plant matter

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3
Q

depends on CO2 = fixed air (Jean Senebier).

A

Photosynthesis

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4
Q

Two gases are involved in Photosynthesis

A

CO2 and O2

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5
Q

Chemical equation of photosynthesis

A

6CO2 + 12H2O + Light Energy → C6H12O6(Glucose) +602+6H2O

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6
Q

lights that are effective in producing 02 during photosynthesis (Engelman).

A

Red and Blue light

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7
Q

Final Electron acceptor in photosynthesis is

A

NADP+

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8
Q

is an anabolic, endergonic, carbon dioxide (CO2) requiring process that uses light energy (photons) and water (H2O) to produce organic macromolecules (glucose).

A

Photosynthesis

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9
Q

is a redox process where water is oxidized and carbon dioxide is reduced.

Oxidation and Reduction (Redox)

A

Photosynthesis

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10
Q
  • Adding O
  • Removing H
  • Loss of Electrons
  • Releases Energy
  • Exergonic
A

OXIDATION:

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11
Q
  • Removing O
  • Adding H
  • Gain of Electrons
  • Stores Energy
  • Endergonic
A

REDUCTION:

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12
Q

reduced components of the photosynthesis equation

A

**6CO2+6H20 → **C6H12O6 +602

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13
Q

oxidated components of the photosynthesis equation

A

6CO2+6H20 → C6H12O6 +602

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14
Q

Reactants of photosynthesis

A

6CO2
12H2O

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15
Q

products of photosynthesis

A

C6H12O6 (Glucose)
602
6H2O

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16
Q

present in all photoautotrophic organisms that are able to make their own energy.

A

Photosynthesis

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17
Q

The primary site of photosynthesis

A

all organs with photosynthetic pigments (i.e. chlorophyll).

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18
Q

In true plants, the ________ are the major site of photosynthesis (specifically, the chloroplasts).

A

leaves

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19
Q

Photosynthesis Consist of Two Processes:

A

The Light Reactions
The Dark Reactions

20
Q

light-dependent or photochemical processes

A

Light Reactions

21
Q

light-independent or carbon fixation processes

A

Dark Reactions

22
Q

conversion of light (solar) energy to chemical energy (ATP and NADPH).

A

Light Reactions

23
Q

Light Reactions Consists of certain particles called ______; each _______has a fixed quantity of energy

Is a form of electromagnetic energy, which travels in waves.

A

photons

24
Q

The distance between the crests of waves that determines electromagnetic energy.

A

(wavelength)

25
Q

The entire range of electromagnetic energy or radiation is called

A

electromagnetic spectrum.

26
Q

mixture of many wavelengths. Electromagnetic radiation from the _____ includes ultraviolet radiation and visible light of varying colors and wavelengths.

A

Sunlight

27
Q

Includes the wavelengths that drive photosynthesis.
colors of light we can see

A

Visible Light Spectrum:

28
Q

pigments that absorb the visible spectrum

A

Photosynthetic pigments

29
Q

Photosynthetic pigments

A

Chlorophyll a
Chlorophyll b
xanthophyll
carotenoids/ carotenes
phaeophytin

30
Q

is the main photosynthetic pigment.

A

Chlorophyll a

31
Q

Accessory pigment that broadens the spectrum used for photosynthesis

A

chlorophyll b

32
Q

The difference in the absorption spectrum between chlorophyll a and b is due to a slight structural difference between the pigment molecules

A

true

33
Q

Accessory pigments called __ absorb excessive light that would damage chlorophyll

A

carotenoids

34
Q

chlorophyll a and b is due to a slight structural difference

A

ch3 chlorophyll a
cho chlorophyll b

35
Q

contain the photosynthetic pigments (chlorophyll) which are located in the cell membrane in cyanobacteria, but in the chloroplast in algae and in true plants.

A

Thylakoid

36
Q

cyanobacteria thykaloid location

A

cell membrane

37
Q

thykaloid location in true plants and algae

A

chloroplast

38
Q

Thylakoids have organized complexes called

A

photosystems

39
Q

A Photosystem is Composed of:

A

Major reaction center (Chl a)
Accessory pigments
Primary electron acceptor

40
Q

The Thylakoid Membrane is populated by two types of photosystems:

A

Photosystem I (PSI): P700

Photosystem II (Ps II): P680

41
Q

Photosystem II is first in the process.

A

true

42
Q

graph plotting a pigment light absorption versus wavelength

A

absorption spectrum

43
Q

absorption spectrum of chlorophyll a

A

violet-blue and red light work best for photosynthesis

44
Q

profiles the relative effectiveness of different wavelengths of radiation in driving a process.

A

action spectrum

45
Q
A

BOTAONE (12 decks)

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