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Biology 1006 > Lab 07 > Flashcards

Lab 07 Flashcards

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1
Q

What is the equation of cellular respiration

A

Organic compound + O2 -> CO2 +H20 + Energy

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2
Q

Where does cellular respiration occur?

A

The mitochondria

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3
Q

What happens to succinate

A

In the citric acid cycle succinate is oxidized into fumerate and FAD+ is reduced into FADH2

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4
Q

What is the enzyme used for succinate

A

Succinate dehydrogenase

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5
Q

What are some characteristics of enzymes

A

They speed up chemical reactions, they have a complex 3D structure, they show optimal activity over a narrow range of temperature and pH, they can be reused

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6
Q

What is a redox reaction

A

A redox reaction is a reaction when one compound is oxidized (loses H+) and one compound is reduced (gains H+)

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7
Q

What is the formula for photosynthesis

A

6CO2 + 12H2O + light -> C6H12O6 + 6O2 +6H2O

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8
Q

What does the light dependent reaction produce

A

NADPH is produced from NADP+ to send to the Calvin cycle,

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9
Q

What happens with water in the photosystems

A

Water is split into hydrogen and oxygen in the chloroplast and light powers the movement of electrons through the ETC in the photosystem

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10
Q

What is the independent variable

A

Presence of enzyme/ presence of light

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11
Q

What is the dependent variable

A

Change in colour

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12
Q

What is the control group

A

Group with enzyme and light

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13
Q

What is the treatment groups

A

Groups with no enzyme
Group with no light

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13
Q

What is the hypothesis

A

The presence of enzymes will catabolize the reaction and the solution will change in colour

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14
Q

What is blue dye used for

A

Blue dye is a hydrogen acceptor that turns clear when it is reduced

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15
Q

What is the prediction for the cellular respiration with the blue dye

A

The presence of succinate dehydrogenase will change the colour of the blue dye from blue to clear

16
Q

What is the prediction for photosynthesis with the blue dye

A

If the chloroplast are exposed to light and contain enzymes then NADP+ will be reduced to NADPH and the blue dye will also be reduced to clear

Biology 1006 (9 decks)

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