What are common injuries that can result form excessive exercise?
Sprains, dislocations, torn ligaments and torn tendons
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What essential background information does a fitness practitioner need to know? (4 things)
Health problems, current medication, family medical history and physical activity
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What happens when you are too hot?
More blood gets to the skin’s surface (vasodilation) and then the warm blood loses its heat to surrounding. Sweat glands produce more sweat and when the water in your sweat evaporates heat are used which cools body.
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Why are microorganisms useful for making products on an industrial scale? (5 things)
Reproduce rapidly, have plasmids, biochemistry is quite simple, can make complex molecules, no ethical concerns
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Outline the stages in genetic modification
The gene needed for desirable protein is isolated. Gene replicated to make copies, then the genes are joined to vector (a carrier for the gene) which are transferred into new cells. Not all new cells are modified,so choose successfully modified indi
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How do you take a DNA sample?
Take a blood sample which contains lots of white blood cells. White blood cells then isolated and DNA is tested for genetic disorder
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What is a gene probe?
A strand of bases that is complementary to the faulty gene you are looking for
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How can you use a gene probe to see if someone has a faulty gene?
If the gene is present the probe will stick to the DNA strand- the bases will lock perfectly together
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What is the recovery period?
The time it takes for your blood pressure and heart rate to return to resting levels after exercising.
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Why is BMI not always the most accurate indicator of fitness?
Because if you are fit and muscular your BMI might be outside the ‘normal’ range because muscles are more dense than fat.
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What is an alternative indicator of fitness?
Proportion of body fat- percentage of body mass that is made of fat
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Other cards in this set
Card 2
Front
What essential background information does a fitness practitioner need to know? (4 things)
Back
Health problems, current medication, family medical history and physical activity
Card 3
Front
What happens when you are too hot?
Back
Card 4
Front
Why are microorganisms useful for making products on an industrial scale? (5 things)
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