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Biology of Food > Photosynthesis > Flashcards

Photosynthesis Flashcards

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1
Q

Organisms, such as plants and bacteria, that make their own food and energy, usually through photosynthesis.

A

Autotrophs

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2
Q

Organisms, such as animals, that get their food from eating autotrophs.

A

Heterotrophs

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3
Q

Food and energy made by plants using photosynthesis

A

Glucose

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4
Q

______ + 6H20 —-(photosynthesis)—> C6H12O6 + 6O2

A

6CO2

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5
Q

Equation for photosynthesis

A

6CO2+ 6H2O ——> C6H12O6 + 6O2

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6
Q

6CO2 + _____ ——> C6H12O6 + 6O2

A

6H2O

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7
Q

6CO2 + 6H2O ——> _______ + 6O2

A

C6H12O6

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8
Q

6CO2 + 6H2O —-> C6H12O6 + ______

A

6O2

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9
Q

All of the food consumed by humans can be traced back to :

A

Photosynthetic plants

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10
Q

Cell energy molecule

A

Adenosine triphosphate (ATP)

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11
Q

Unit of a plant cell that makes energy (sugars)

A

Chloroplasts

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12
Q

Chloroplasts contain:

A

Stroma

Thylakoids

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13
Q

A thick fluid contained in a chloroplast

A

Stroma

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14
Q

Membranous sac contained in the chloroplasts

A

Thylakoids

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15
Q

Pigments that absorb light energy in chloroplasts

A

Chlorophyll

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16
Q

Two processes that photosynthesis is composed of:

A

Light reactions

Calvin cycle

17
Q

Convert solar energy to chemical energy

A

Light reactions

18
Q

Makes sugar from carbon dioxide

A

Calvin cycle

19
Q

First step of a photosystem

A

Photon strikes chlorophyll

20
Q

Second step in a photosystem:

A

An electron is highly energized

21
Q

Third step of a photosystem:

A

The high energy electron is caught by an electron accptor

22
Q

Two types of photosystems:

A

Photosystem II

Photosystem I

23
Q

Photosystem II

A

First photosystem that occurs; “water splitting photosystem”

24
Q

Photosystem I

A

Second photosystem that occurs; “NADPH producing photosystem”

25
Q

Event that connects the two photosystems

A

Electron transport chain (ETC)

26
Q

First step of photosynthesis

A

The light reactions

27
Q

What does the ETC do?

A

It releases energy that the chloroplasts use to make ATP and connects the two photosystems

28
Q

Sugar factory within the chloroplast

A

Calvin cycle

29
Q

Happens during the Calvin cycle; carbon from carbon dioxide is fixed in the glucose molecule

A

Carbon fixation

Biology of Food (12 decks)

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