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Biology 1006 > Lab 08 > Flashcards

Lab 08 Flashcards

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1
Q

What are organisms that undergo photosynthesis called

A

Phototrophs, this includes all green plants

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2
Q

What is chlamydomonas

A

A unicellular green algae, found in freshwater,soils,oceans and even snow, each one contains a single chloroplast and can gain all of its nutritional requirements through photosynthesis

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3
Q

How is O2 produced

A

The breakdown of water

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4
Q

What is the photosynthetic rate

A

The rate at which photosynthesis occurs

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5
Q

What is dissolved oxygen

A

The amount of O2 in water

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6
Q

What is light intensity

A

A factor that can change the photosynthetic rate

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7
Q

How can the photosynthetic rate be measured

A

CO2 consumption, biomass and O2 production

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8
Q

What is the independent variable

A

Temperature/ light intensity

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9
Q

What is the dependent variable

A

Photosynthetic rate (mg/L/sec)

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10
Q

Control group

A

Room temperature

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11
Q

Treatment group

A

30 degrees temperature group

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12
Q

Hypothesis

A

The temperature increase will increase teh photosynthetic rate

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13
Q

What is a BOD

A

Biological oxygen demand bottle, its a sealed container where teh Chlamydomonas is not exposed to atmospheric CO2

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14
Q

What is a PI curve

A

The curve of the photosynthetic rate compared to light intensity

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15
Q

What is the slope

A

The change in rate due to intensity

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16
Q

What is the Pmax

A

the maximum rate of photosynthesis that an organism can achieve in its given environment

17
Q

What is the light compensation point

A

The light intensity at which O2 production in photosynthesis is equal to consumption of O2 in cellular respiration. It is represented on the graph by the X-intercept

18
Q

What is the unit for light intensity

A

Microeinsteins

Biology 1006 (9 decks)

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