Lipids and Health

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  • Created by: Lotto65
  • Created on: 05-12-16 19:47
Name four stores of energy
Starch, glycogen, fats or oils
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What do seeds contain?
Starch or oils
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Where is glycogen stored in humans?
Liver
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Where can fat be stored in humans?
Adipose tissue in muscles
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What are the advantages of using lipids for long term energy storage instead of carbohydrates?
Amount released in respiration per gram is double lipids than carbs; Half body mass; lipids are pure droplets while glycogen has 2g water associated
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Give two animals where it is important to have light energy stores
Birds and bats
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Why can't you just weigh an adult to assess a person's body mass level?
Natural variation in size between adults
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What is the formula for BMI?
Mass in kilograms/ (height in metres) squared
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What is the unit of BMI?
Kg/m squared
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What is the name of the BMI scale?
Nomogram
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True/ false: Trans fatty acids are found naturally
False --> They are artificially produced
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What is the correlation between trans fatty acids and CHD?
Positive correlation
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Do other factors account for CHD?
No
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What else gives more evidence that trans fatty acids links to CHD?
In patients who died from it, fatty deposits in diseased arteries were found to have high concentrations of trans fats
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Where will you find saturated fatty acids?
Animal fats and vegetable oils
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What is the correlation between saturated fatty acids and CHD?
Positive
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What are the exceptions to the correlation between saturated fatty acids and CHD?
Masaai tribes in Kenya that have diets rich in saturated fatty acids but CHD is rare
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What do they think could be the reason for CHD with saturated fatty acids?
Another factor correlated with fatty acid intake like low amounts of dietary fibre
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What is a correlation?
A statistical link that may or may not show causation
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What is more trustworthy on CHD than statistics?
Surveys
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What else should be considered when analysing such data?
Effects of factors other than the one being investigated
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True/false: Results from a single survey should be treated with caution
True
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Other cards in this set

Card 2

Front

What do seeds contain?

Back

Starch or oils

Card 3

Front

Where is glycogen stored in humans?

Back

Preview of the front of card 3

Card 4

Front

Where can fat be stored in humans?

Back

Preview of the front of card 4

Card 5

Front

What are the advantages of using lipids for long term energy storage instead of carbohydrates?

Back

Preview of the front of card 5
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