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Biology Lab > Exercise 6 > Flashcards

Exercise 6 Flashcards

1
Q

Photosynthesis formula

A

12H2O + 6CO2 —> 6O2 + C6H12O6 + 6H2O

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2
Q

Light reaction

A

produces oxygen we breathe, ATP & NADPH

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3
Q

Dark Reaction

A

CO2 + ATP + NADPH —> C6H12O6

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4
Q

Where can the dark reaction occur?

A

In light or dark

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5
Q

What do plants store extra sugar as?

A

Starch

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6
Q

Why do we see color?

A

When light hits a pigmented surface, some wavelengths are absorbed and others are reflected/transmitted. The colors that are reflected are the colors that we see.

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7
Q

What reflects the colors?

A

the photosynthetic pigment chlorophyll

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8
Q

Absorption spectrum

A

a spectrum of light waves absorbed by a particular pigment

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9
Q

Order of the color pigments

A 
Yellow
Light Green
Dark Green
Gray
Orange
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10
Q

Yellow

A

xanthophyll

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11
Q

Light green

A

Chl B

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12
Q

Dark Green

A

Chl A

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13
Q

Gray

A

Phaeophytin

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14
Q

Orange

A

Carotene

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15
Q

Autotrophs

A

synthesize organic molecules from inorganic carbon dioxide (make their own food)

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16
Q

Heterotrophs

A

rely directly or indirectly on autotrophs for their nutritional carbon and metabolic energy

17
Q

What happens during the light reaction?

A

The H2O breaks off and becomes O2

18
Q

A device used for viewing the spectrum of light is a

A

spectroscope

19
Q

The raw materials used for photosynthesis include

A

CO2 + H2O

20
Q

Products and byproducts of photosynthesis do NOT include

A

CO2

21
Q

A paper chromatogram is useful for

A

Separating pigments based on their physical characteristics

22
Q

What pigments would you find in a geranium leaf

A

Chlorophyll a, chlorophyll b, carotenoids

23
Q

Which reagent would you use to determine the distribution of carbohydrate stored in leaves?

A

Benedict’s solution

24
Q

An example of a heterotrophic organism is

A

a human

25
Q

Organisms are capable of producing their own food are known as

A

autotrophs

26
Q

Grana are

A

the site of ATP production within chloroplasts

27
Q

The ultimate source of energy trapped during photosynthesis is

A

sunlight

Biology Lab (6 decks)

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