Science (photosynthesis And Respiration) at De Montfort University Leicester | Flashcards & Summaries

Lernmaterialien für Science (photosynthesis and respiration) an der De Montfort University Leicester

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TESTE DEIN WISSEN

State the word equation to anaerobic respiration in plant and yeast cells

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TESTE DEIN WISSEN

Glucose = ethanol + carbon dioxide

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TESTE DEIN WISSEN

Write the balanced symbol equation for photosynthesis

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TESTE DEIN WISSEN

6CO2 + 6H20 = C6 H12 O6 +6O2

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TESTE DEIN WISSEN

What happens when an enzyme denatures? 

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TESTE DEIN WISSEN

The active site is damaged so no reaction can occur.

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TESTE DEIN WISSEN

List some examples of limiting factors.

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TESTE DEIN WISSEN

Temperature, Light intensity, Amount of carbon dioxide/chlorophyll

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TESTE DEIN WISSEN

How does temperature affect the rate of photosynthesis?

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TESTE DEIN WISSEN

The warmer it gets the higher the rate of photosynthesis. A substantial increase can lead to enzymes denaturing decreasing and stopping the reaction.

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TESTE DEIN WISSEN

is photosynthesis an enzyme controlled reaction?

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TESTE DEIN WISSEN

Yes

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TESTE DEIN WISSEN

What is a limiting factor? 

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TESTE DEIN WISSEN

Something present in the environment that has the ability to restrict life processes upon shortage.

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TESTE DEIN WISSEN

What causes light intensity to decrease? 

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TESTE DEIN WISSEN

If the distance between the light source and the plant increases.

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TESTE DEIN WISSEN

Do plants produce bubbles of oxygen when they photosynthesise?

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TESTE DEIN WISSEN

Yes

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TESTE DEIN WISSEN

How would you calculate the rate of photosynthesis? 

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TESTE DEIN WISSEN

By counting the bubbles produced during the process.

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TESTE DEIN WISSEN

Investigating the effect of light intensity on photosynthesis in pondweed.

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TESTE DEIN WISSEN

1.) Fill a boiling tube with 0.2% sodium hydrogen carbonate solution

2.) Freshly cut a 10cm piece of pondweed and place it in the boiling tube with the cut at the top

3.) Set up an LED lamp at a distance of 10cm to the boiling tube and leave to settle for 5 minutes

4.) Start the stopwatch and count the number of bubbles released in one minute

5.) Repeat twice and calculate the mean number of bubbles

6.) Repeat steps 1-6 altering distance of the lamp so it is 30cm, 40cm and 50cm away from the boiling tube

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TESTE DEIN WISSEN

Write the word equation for photosynthesis

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TESTE DEIN WISSEN

carbon dioxide + water = (light) glucose + oxygen

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Beispielhafte Karteikarten für deinen Science (photosynthesis and respiration) Kurs an der De Montfort University Leicester - von Kommilitonen auf StudySmarter erstellt!

Q:

State the word equation to anaerobic respiration in plant and yeast cells

A:

Glucose = ethanol + carbon dioxide

Q:

Write the balanced symbol equation for photosynthesis

A:

6CO2 + 6H20 = C6 H12 O6 +6O2

Q:

What happens when an enzyme denatures? 

A:

The active site is damaged so no reaction can occur.

Q:

List some examples of limiting factors.

A:

Temperature, Light intensity, Amount of carbon dioxide/chlorophyll

Q:

How does temperature affect the rate of photosynthesis?

A:

The warmer it gets the higher the rate of photosynthesis. A substantial increase can lead to enzymes denaturing decreasing and stopping the reaction.

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Q:

is photosynthesis an enzyme controlled reaction?

A:

Yes

Q:

What is a limiting factor? 

A:

Something present in the environment that has the ability to restrict life processes upon shortage.

Q:

What causes light intensity to decrease? 

A:

If the distance between the light source and the plant increases.

Q:

Do plants produce bubbles of oxygen when they photosynthesise?

A:

Yes

Q:

How would you calculate the rate of photosynthesis? 

A:

By counting the bubbles produced during the process.

Q:

Investigating the effect of light intensity on photosynthesis in pondweed.

A:

1.) Fill a boiling tube with 0.2% sodium hydrogen carbonate solution

2.) Freshly cut a 10cm piece of pondweed and place it in the boiling tube with the cut at the top

3.) Set up an LED lamp at a distance of 10cm to the boiling tube and leave to settle for 5 minutes

4.) Start the stopwatch and count the number of bubbles released in one minute

5.) Repeat twice and calculate the mean number of bubbles

6.) Repeat steps 1-6 altering distance of the lamp so it is 30cm, 40cm and 50cm away from the boiling tube

Q:

Write the word equation for photosynthesis

A:

carbon dioxide + water = (light) glucose + oxygen

Science (photosynthesis and respiration)

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