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GBiology > Chapter 8 > Flashcards

Chapter 8 Flashcards

(59 cards)

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1
Q

Take place in the thylakoids membranes

A

Light Dependent reactions

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2
Q

There is two sets pf photosynthesis reactions

A

LD and LID

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3
Q

take place in stroma

A

Light Independent Reaction

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4
Q
  • requires light

- capture energy from sunlight

A

light dependent reactions

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5
Q

LD makes what?

A

ATP & NADPH

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6
Q

LD is dealt with?

A

water

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7
Q

calvin cycle or carbon fixation reactions

A

light independent reaction

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8
Q

do no require light

A

LID

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9
Q

___ & ___ required to synthesize organic molecules from CO2

A

ATP & NADPH

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10
Q

LID is dealt with what?

A

CO2 (carbon dioxide)

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11
Q

pore on leaf that involves gas exchange

A

stoma

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12
Q

in chloroplasts

A

stroma

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13
Q

in photosynthesis what gets oxidized and what gets reduced?

A

water and carbon dioxide

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14
Q

CO2 is what becomes

A

glucose

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15
Q

the molecule that absorbs energy from sun

A

chlorophyll

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16
Q

comprised of pigment and protein

A

photosystem

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17
Q

established different set of reactions

A

Blackman

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18
Q

most abundant pigment

A

chlorophyll

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19
Q

energy from the sun comes in ___

A

photons

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20
Q

have shorter wave lengths and higher energy in photons. Dangerous

A

UV rays

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21
Q

wave length is longer with less energy in photon

A

visible light

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22
Q

type of laboratory technique

A

absorption spectrum

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23
Q

when a pigment absorbs energy from the sun they are __ in there

A

electrons

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24
Q

___ go to the ETC to ___ energy

Study These Flashcards
A

electrons

-lose

25
gives idea of level photosynthesis activity for a particular pigment for different wave lengths of light
action spectrum
26
more oxygen =
more photosynthesis
27
what is photosystem as a whole comprised of?
Antenna complex and the reaction center
28
Antenna complex and The reaction center involve
protein
29
(Big) also light harvesting complex
Antenna Complex
30
(small) concentrates energy.
reaction center
31
has high energy electrons. also move to ETC
reaction center
32
only makes ATP
Cyclic
33
makes ATP & NADPH
non-cyclic
34
start with primary photoevent
cyclic and non-cyclic
35
if there is ETC, ___ is made using
ATP | -chemiosmosis
36
only uses photosystem 1
Cyclic
37
has both photosystem 2 & 1. photosystem 2 comes first.
non-cyclic
38
non-cyclic make what in photosystem 1
NADPH
39
Enzyme that helps make NADPH
NADP reductase
40
takes place in the stroma. | Nadph is requred
LID
41
how man G3Ps is required to regenerate 6 RuBPs?
10
42
how many ATPs are required for each RuBP?
1
43
the three stages in Calvin Cycle
Carbon fixation reduction regneration of RuBP
44
enzymes in calvin cycle
rubisco or ribulose bisphosphate/oxygenase or RuBP carboxylase
45
rubisco has two activities
carboxylation and photorespiration
46
in rubisco, carboxylas has the ability to bind to what
oxygen
47
in rubisco, carboxylase has the ability to bind to what in carbon dioxide?
calvin cycle
48
what temperatures are extremely high what shut so they dont lose water?
stoma
49
when stoma close there is so much what that it binds to rubisco? -no more calvin cycle or production of food source
oxygen
50
the energized electrons from LD reactions provides what to assemble carbohydrates from carbon dioxide molecules for LID
energy
51
have a special way to deal with photo respiration. grow faster than C3. have extra steps PLUS calvin cycle.
C4 & CAM plants
52
why are C4 plants called C4 plants?
they make C4 molecules
53
what makes oxaloacetate?
PEP carboxylase and CO2
54
C4 process needs what?
12 extra ATP
55
Water-storing plants (cactis, pineapples)
CAM plants
56
CAM plants open what at night and close during the day?
stomata
57
in CAM plants, carbon dioxide is fixated to what before being involved in the calvin cycle?
PEP
58
Where does the oxygen come from that is given off by plants
water
59
Where are the photosynthetic pigments found in plants?
chlorophyll

GBiology (4 decks)

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