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Anaphy > Photosynthesis > Flashcards

Photosynthesis Flashcards

1
Q

This is the process of the plant to create their own food by converting light energy to chemical energy.

A

Photosynthesis

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2
Q

What do plants need for photosynthesis?

A

Water, carbon dioxide, light, and chlorophyll

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3
Q

What do call the organisms that make their own food using light?

A

Photoautotroph

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4
Q

Organisms that utilize inorganic chemical to synthesize sugars as their food

A

Chemoautotroph

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5
Q

Organisms that depends on autotrophs for their food

A

Heterotrophs

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6
Q

What are the 3 major events during photosynthesis?

A
  1. Light energy converted to chemical energy
  2. Water is split to produce oxygen gas.
  3. CO2 fixed into sugar. C6H12O6
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7
Q

What is the chemical equation for photosynthesis?

A

6 CO2 + 6H2O + Sunlight —> C6H12O6 + 6 O2

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8
Q

What are the reactants during photosynthesis?

A

Carbon Dioxide and Water

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9
Q

What are the products of photosynthesis?

A

Oxygen and Glucose

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10
Q

What is the chemical formula of Glucose?

A

C6H12O6

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11
Q

Glucose is a

A

Monosaccharide

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12
Q

What are the 2 polysaccharide in plants?

A

Cellulose and Starch

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13
Q

Tiny pores found underside of leaves where gas exchange happens.

A

Stomata

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14
Q

Responsible for the shrinking and swelling of Stomata

A

Osmotic pressure

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15
Q

What ORGAN of plant photosynthesis takes place?

A

Leaves

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16
Q

What part of plant cell photosynthesis occurs?

A

Chloroplasts

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17
Q

Space inside Chloroplasts

A

Stroma

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18
Q

Photosynthetic Reaction that depends on light.

A

Light dependent or light reaction

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19
Q

Photosynthetic reaction that doesn’t depend on light.

A

Calvin cycle or light independent reaction

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20
Q

Who discovers the Calvin cycle?

A

Melvin Calvin, Andrew Benson and James Bassham

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21
Q

What are the energy carrier that light dependent produce to deliver to Calvin cycle?

A

ATP and NADPH

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22
Q

What is NADP+ complete name?

A

Nicotinamide Adenine Dinucleotide Phosphate

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23
Q

In light dependent reaction, photolysis happens where water is split into

A

Hydrogen ion and oxygen gas

24
Q

What are the two protein complexes that are responsible for capturing photons to excite electrons during the light reaction?

A

Photosystem 1 and Photosystem 2

25
Q

What are the protein complexes that participate during electron transport chain?

A

Plastoquinone, Cytochrome B6F and Plastocyanin

26
Q

Enzyme that is responsible to charge the NADP+ to NADPH

A

Ferredoxin Reductase

27
Q

Chemiosmosis happens because of

A

Hydrogen gradient - difference of hydrogen concentration in lumen and stroma

28
Q

Enzyme that is responsible for the photophosphorylation

A

ATP Synthase

29
Q

What are the products of Light reaction?

A

Oxygen gas, NADPH, and ATP

30
Q

What are the stages of Calvin cycle?

A

Carbon Fixation, Reduction of 3-PGA, and Regeneration of RuBP

31
Q

During the Carbon Fixation, RuBP molecules and Carbon Dioxide combines with the help of what enzyme?

A

RuBisCo

32
Q

1 RuBP combines with 1 CO2 to produce how many molecules of 3-PGA?

A

2

33
Q

In the reduction of 3-PGA, how many ATP and NADPH are needed if we have 6 3-PGA?

A

6 ATP and 6 NADPH

34
Q

How many cycles are needed to produce 1 molecule of C6H12O6?

A

6 cycles

35
Q

In the regeneration of RuBP, if we have 5 molecules of G3P how many ATP are needed?

A

3 ATP

36
Q

Calvin cycle occurs what part of Chloroplasts?

A

Stroma

37
Q

Photosynthesis is a process that harnesses light energy from the Sun to convert carbon dioxide and water into glucose. Which organelle of a plant cell does photosynthesis take place?

A

Chloroplast

38
Q

Which part of plants is considered as the primary organ for photosynthesis?

A

Leaf

39
Q

In which layer of leaves, the chloroplasts are mostly concentrated or located?

A

Mesophyll

40
Q

The green pigment in plants that directly captures light energy and convert it to chemical energy is

A

Chlorophyll a

41
Q

It is the first stage of photosynthesis which involves the converting of light energy to chemical energy in the form of ATP and NADPH is called _________________________.

A

Light-dependent reactions

42
Q

The light- dependent reactions takes place in the ___________________ of the chloroplast.

A

Thylakoid membrane

43
Q

In which part of the chloroplast the light-independent reactions or Calvin cycle occur?

A

Stroma

44
Q

What are the products of light-dependent reactions?

A

NADPH, ATP, and oxygen

45
Q

Which of the following gases/substances is given off by plants as one of the products of light reactions stage of photosynthesis?

A

Oxygen

46
Q

In which structure of a plant leaf where carbon dioxide enters and oxygen is given off?

A

Stomata

47
Q

Enzymes are catalysts that are directly involved in the process of photosynthesis. Which of the following enzymes is involved in the first major step of carbon fixation to form the energy rich glucose in the Calvin Cycle?

A

RuBisCO

48
Q

What are the raw materials of photosynthesis?

A

Carbon dioxide and water

49
Q

Which raw material of photosynthesis is directly used in light-dependent reactions?

A

Water

50
Q

What are needed in light-independent reaction or Calvin cycle to produce glucose?

A

NADPH, ATP, and carbon dioxide

51
Q

In light-dependent reaction, through light energy, water molecules are broken down into hydrogen ions, electrons and oxygen gas. This process is called ___________________.

A

Photolysis

52
Q

Chemical name of RuBisCo

A

RIBULOSE BIPHOSPHATE CARBOXYLASE

53
Q

Chemical name of C6H12O6

A

GLUCOSE

54
Q

Chemical name of G3P

A

GLYCERALDEHYDE 3 PHOSPHATE

55
Q

Chemical name of RuBP

A

RIBULOSE BIPHOSPHATE

56
Q

Chemical name of PGA

A

PHOSPHOGLYCERATE

Anaphy (5 decks)

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