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Biology > Photosynthesis,ATP & Cellular Respiration > Flashcards

Photosynthesis,ATP & Cellular Respiration Flashcards

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0
Q

What is and where is chloroplasts located?

A

Chloroplast is the organelle responsible for photosynthesis and it is located only in plant cells

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1
Q

What is the ultimate source of energy for most organisms?

A

Sunlight

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2
Q

What is photosynthesis?

A

Process by which solar energy chemically converts water and carbon dioxide in chemical energy stored in glucose

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3
Q

What is the chemical equation of photosynthesis? And what does it stand for?

A

6CO2+ 6H2O ➡️ C6 H12 O6 + 6O2 which is 6 carbon dioxide, 6 water are need to produce 1 glucose and 6 oxygen

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4
Q

What are the reactants of photosynthesis?

A

6CO2 + 6H20 which is Carbon dioxide and water

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5
Q

What are the products of photosynthesis?

A

C6 H12 O6 + 6O2 which is glucose and oxygen

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6
Q

Are the reactants of photosynthesis formed or broken down?

A

Broken down

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7
Q

Are the products of photo formed or broken down?

A

Formed

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8
Q

What is solar energy needed to do?

A

Break down water molecules

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9
Q

Does light-independent (dark reactions) ( Calvin cycle) require sunlight ?

A

No

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10
Q

What happens during light-dependent reactions?

A

Solar energy is absorbed by chloroplasts then two energy storing molecules produces ATP & NAPH. Solar oxygen splits water molecules and release the waste product water

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11
Q

What are the parts of photosynthesis involved in LDR?

A

6h20 water & 6o2 oxygen

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12
Q

What happens during light-independent reactions?

A

Energy stored in ATP & NADPH is used to produce glucose from carbon dioxide. Cells need glucose which are carbs which is the main energy source of all organisms

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13
Q

What parts of photosynthesis is LIR?

A

6co2 carbon dioxide & c6 h12 o6 glucose

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14
Q

How is glucose used in cellular respiration?

A

Energy source

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15
Q

What can glucose be converted to?

A

Organic molecules which are proteins carbs and lipids

16
Q

What reaction is thylakid part of?

A

Light - dependent

17
Q

What plant pigment is involved in photosynthesis?

A

Chlorophyll

18
Q

What are the two stages of photosynthesis?

A

Light-independent and light-dependent

19
Q

What happens to water molecules in light reactions?

A

They split

20
Q

What photosynthesis waste product is formed in light reactions?

A

Oxygen

21
Q

What two products of light reactions are used in the Calvin cycle ?

A

Carbon dioxide and glucose

22
Q

What happens to carbon dioxide molecules in the Calvin cycle reactions?

A

Carbon dioxide goes in dark reactions and glucose comes out

23
Q

Why is cellular respiration used?

A

To convert checkmate energy in nutrients to energy stored in ATP.

24
Q

What can ATP release for cellular processes?

A

Energy

25
Q

Where does cellular respiration takes place at?

A

Mitochondria if oxygen present which is aerobic but generally the cytoplasm

26
Q

What is the first stage of Cellular respiration?

A

Glycolysis

27
Q

What is stage 2 of cellular respiration?

A

Either aerobic with oxygen or anaerobic without oxygen

28
Q

What is glycolysis?

A

Series of reactions using enzymes that takes place in cytoplasm of the cell. A glucose molecule is broken down into Pyruvic acids 2 ATP

29
Q

Where is aerobic respiration located?

A

Mitochondria

30
Q

What is step one of the aerobic respiration and wha occurs?

A

Step one is the citric acid cycle or better known as the kreb cycle. Pyruvic formed during glycolysis travels to the mitochondria which is then transformed to carbon dioxide water and ATP

31
Q

What is step two of aerobic respiration? What happens?

A

During Electron transport chains hydrogen combines with oxygen to form warm h2o. Each reaction produces a small amount of energy but by end ATP Is produced.

32
Q

What is cellular respiration equation?reverse of photosynthesis)

A

C6 H12 O6 + 6O2 ➡️ 6CO2 + 6H20

33
Q

What is the name of the anaerobic process and what occurs?

A

Fermentation and it results in far fewer ATP Then aerobic and not very efficient

34
Q

What is lactic acid Fermentation? When does it occur ?

A

Oxygen is not available and musketeers tissue during exercise may be depleted of oxygen and replaces aerobic respiration. This causes a continuous of energy even in the presence of oxygen but only temporary because cells need oxygen

35
Q

What is alcoholic fermentation?

A

Occurs in yeast and bacteria and only source of energy for these organisms

36
Q

Alcoholic fermentation is

A

Glucose ➡️ Pyruvic acid ➡️ (glycolysis) alcohol + CO2 + ATP

37
Q

Lactic Acid fermentation shows

A

Glucose➡️ Pyruvic acid (glycolysis) ➡️

lactic acid + ATP which causes burning sensation in oxygen deprived muscles

Biology (12 decks)

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