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BOTANY LEC > MOD 10: PHOTOSYNTHESIS > Flashcards

MOD 10: PHOTOSYNTHESIS Flashcards

1
Q

● Sum of all the INTERRELATED BIOCHEMICAL PROCESSES that take place in a living organism
● ENERGY REQUIRING reaction

A

METABOLISM

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2
Q

● BUILD UP of molecules

A

ANABOLISM

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3
Q

● BREAKDOWN of molecules

A

CATABOLISM

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4
Q

what type of metabolism reaction is PHOTOSYNTHESIS

A

ANABOLIC

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5
Q

what type of metabolism reaction is CELLULAR RESPIRATION

A

CATABOLIC

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6
Q

● Process in which electrons TRANSFER ENERGY from one form to another

A

OXIDATION-REDUCTION REACTION

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7
Q

LOSS of one or more electrons

A

OXIDATION

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8
Q

GAIN of one or more electrons

A

REDUCTION

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9
Q

SUBSTANCE that GAINS electrons

A

OXIDIZING AGENT

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10
Q

SUBSTANCE that LOSES electrons

A

REDUCING AGENT

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11
Q

FORMULA NG PHOTOSYNTHESIS

A

6CO2 + 12 H20 —> C6H12O6 + 6O2

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12
Q

PHOTO means

A

LIGHT

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13
Q

SYNTHESIS means

A

PUTTING TOGETHER

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14
Q

PHOTOSYNTHESIS means

A

PUTTING TOGETHER WITH LIGHT

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15
Q

● It is a process by which PLANTS MANUFACTURE THEIR OWN FOOD when
they ABSORB LIGHT ENERGY

A

PHOTOSYNTHESIS

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16
Q

It causes CARBON DIOXIDE and WATER to chemically COMBINE. FORMING GLUCOSE and EXCRETING OXYGEN into the atmosphere

A

PHOTOSYNTHESIS

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17
Q

anong nagcocombine sa photosynthesis

A

CARBON DIOXIDE AND WATER

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18
Q

PRODUCT ng photosynthesis

A

GLUCOSE AND OXYGEN

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19
Q

● It is an anabolic, endergonic, Carbon dioxide requiring process

A

PHOTOSYNTHESIS

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20
Q

○ Uses light energy and water to produce Organic macromolecules (Stored as Carbohydrates)

A

PHOTOSYNTHESIS

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21
Q

→ gets energy from “SELF”
○ Use LIGHT ENERGY to synthesize
organic molecules
- organisms that CAN MAKE THEIR OWN FOOD

A

AUTOTROPHS

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22
Q

→ gets energy from EATING OTHERS
○ Consumes organic molecules
- organisms that CANNOT PRODUCE THEIR OWN FOOD

A

HETEROTROPHS

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23
Q

● Site of Photosynthesis

A

CHLOROPLAST

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24
Q

CHLOROPLAST contains

A

STROMA
GRANA
THYLAKOIDS

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25
■ FLUID inside the chloroplast
STROMA
26
■ STACK OF THYLAKOIDS
GRANA
27
■ CONTAINS THE CHLOROPHYLL
THYLAKOIDS
28
● GREEN PIGMENT that captures light for photosynthesis
CHLOROPLAST
29
2 STAGES OF PHOTOSYNTHESIS
LIGHT DEPENDENT LIGHT INDEPENDENT (CALVIN CYCLE)
30
● REQUIRES LIGHT ● Involves the HARNESSING OF LIGHT ENERGY ● Occurs in the GRANA (Thylakoid membrane) ● Byproducts: ○ ATP, NADPH, OXYGEN
LIGHT DEPENDENT REACTION
31
LIGHT DEPENPENDET REACTION occurs in the
GRANA
32
BYPRODUCTS OF LIGHT DEPENDENT
ATP NADPH OXYGEN
33
LIGHT DEPENDENT is also referred to as
LIGHT REACTIONS
34
During the light dependent reactions: 1. Water molecules are ____
SPLIT APART
35
During the light dependent reactions: 1. when the water molecules are split apart, they release _____
ELECTRONS AND HYDROGEN GAS
36
WASTE PRODUCT of split water molecules in light dependent
OXYGEN
37
REPLACES lost electrons by splitting water
PHOTOLYSIS
38
Electrons from the split water molecules are passed along an ________
ELECTRON TRANSPORT SYSTEM
39
During the light dependent reactions: Energy-storing _____ molecules are produced
ATP
40
EXCITED electrons+additional light energy PROVIDES ENERGY for ADP to become ATP
PHOTOPHOSPHORYLATION
41
During the light dependent reactions: Some HYDROGEN split from the water molecules is involved in the REDUCTION of NADP to form ______
NADPH
42
Two types of Photosystems
PS I AND PS II
43
what photosystem comes first
PS II
44
3 outputs of light dependent reactions:
OXYGEN NADPH ATP
45
● DOES NOT NEED LIGHT to Occur ● Involves the CREATION OF CARBOHYDRATES ● Occurs in the STROMA ● Also referred to as Dark Reactions
LIGHT INDEPENDENT REACTIONS
46
where does the LIGHT INDEPENDENT REACTIONS occur
STROMA
47
LIGHT INDEPENDENT REACTIONS are also referred to as
DARK REACTIONS CALVIN CYCLE REACTION KREBS CYCLE
48
NEEDED products from light reactions to drive LIGHT INDEPENDENT reaction
ATP NADPH
49
3 MAJOR EVENTS in Light INDEPENDENT Reactions
● Carbon Dioxide Fixation ● Reduction ● Regeneration
50
● Studied the Light-independent reactions using a round, flat container to grow GREEN ALGAE ○ To which he introduced RADIOACTIVE CARBON
MELVIN CALVIN
51
ano ginamit ni MELVIN CALVIN sa pag study ng light independent reaction
GREEN ALGAE
52
ano inintroduce ni melvin calvin
RADIOACTIVE CARBON
53
● Also referred to as PHOTOSYNTHETIC CARBON REDUCTION (PCR) pathway
CALVIN CYCLE
54
● Also referred to as CALVIN CYCLE pathway
PHOTOSYNTHETIC CARBON REDUCTION
55
● Is a series of Chemical reactions that convert CARBON DIOXIDE and HYDROGEN-CARRYING MOLECULES into GLUCOSE
CALVIN CYCLE
56
PRODUCT NG LIGHT INDEPENDENT / CALVIN CYCLE
GLUCOSE
57
ilang molecules ng CO2 yung nasa unang part ng calvin cycle
6 MOLECULES
58
ENZYME sa CALVIN CYCLE
RUBISCO
59
→ FIRST STABLE COMPOUND formed in Photosynthesis
3PGA
60
the formation of 12 3-carbon molecules / 3PGA happens in a process called
CARBON FIXATION
61
The NADPH and ATP supply energy and electrons that chemically REDUCE the 3PGA to twelve molecules of
GA3P
62
the SUGAR with which the Calvin cycle was INITIATED
RUBP
63
ilang turns ng calvin cycle para maproduce ang 1 molecule of glucose
6 TURNS
64
ATP
ADENOSINE TRIPHOSPHATE
65
NADPH
NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE
66
How many GA3P molecules are FORMED by CO2 with RuBP
12 GA3P
67
How many molecules of GA3P are RECYCLED to regenerate 3 RubP
5 GA3P
68
How many molecules of ATP are used in THREE TURNS of the Calvin cycle? How about NADPH?
9 ATP ; 6 NADPH
69
How many CO2, ATP, and NADPH are NEEDED to MAKE 1 molecule of GLUCOSE?
○ 6 molecules of CO2 ○ 18 ATP ○ 12 NADPH
70
○ As LIGHT increases, rate of photosynthesis _____
INCREASES
71
○ As CO2 increases, rate of photosynthesis _____
INCREASES
72
○ Low temperature → ____ rate of photosynthesis
LOW
73
○ High temperature → ____ rate of photosynthesis
HIGH
74
○ If temperature is TOO HOT, rate ____
DROPS
75
● When CO2 CONCETRATION is LOW
PHOTORESPIRATION
76
○ Rubisco binds O2 instead of CO2
PHOTORESPIRATION
77
● Wastes energy and reduces sugar synthesis
PHOTORESPRIATION
78
PROTEINS that SPEED UP the reaction
ENZYMES
79
GAS EXCHANGE regulation
STOMATA
80
- stomata - found UNDER LEAVES
CO2
81
- UPTAKE FROM ROOTS
H2O
82
solar collectors
LEAVES
83
- photosynthetic unit
CHLOROPHYLL
84
- leaves = solar collectors
SUNLIGHT
85
mini pathway
sunlight -> stomata -> chloroplast
86
mini pathway in chloroplast
thylakoid -> stroma
87
RUBISCO
RIBULOSE BIPHOSPHATE CARBOXYLASE/ OXYGENASE
88
the string of 3 PHOSPHATE GROUPS is held together by
COVALENT BONDS

BOTANY LEC (19 decks)

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