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47 Cards in this Set
- Front
- Back
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how many amino acids are essential that we must consume and why do we have to consume them
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8 because we cant synthesize them
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what is the most important factor in the protein
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quality of the 8 essential ones
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what was the best measure of the quality in proteins
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PDCAA protein digestibility corrected amino acids score
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name two perfect proteins
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casein-milk protein
albumin-egg white |
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what was the grain source and legume source in mexico and central america
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grain was corn and legume were beans
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what were the grain and legume source in the middle east
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grain was wheat and legume was hummus
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what were the grain and legume source in the far east
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grain was rice and legume was tofu
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what are vitamins
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small orgainic molecules that are loosely or tightly bounded to proteins
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a balanced diet shoudl contain sufficient vitamins...if it doesnt what happens
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deficiencies of vitamins which progress to diseases
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what is scurvy
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deficiency of vitamin c
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what are the symptoms of scurvy
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bleeding gums and rotting of teeth and it can also be fatal
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give some examples of victims of scurvy
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sailors on long trips with no fresh veggies
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what is nicketts
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deficiency of vitamin c
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what are the symptoms of nicketts
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abnormal bone development in children due to no milk. Also they stayed inside and get no UV light
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what is spina bitida and what are the damages it causes
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folate (vitB9) and children are both mentally and physically compromised
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what is vitamin c
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antioxidant and aging is the oxidation of the body
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what are minerals
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inorganic metal ions
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what are the minerals calcium and phosphate good for
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teeth and bones
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what are the minerals sodium and potassium good for
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electrical properties of cells, nerves
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what does mg stand for
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microgram
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what happens due to a lack of calcium in women
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post menopausal
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what happens if there is a lack of calcium
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bones weaken and osteoporosis can occur.
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when is maximum bone density achieved
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between 20 and 30 years
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what is a plus of the food pyramid
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low in fat and it rooted in plants
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what is negative about the food pyramid
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one size fits all which is not a useful statement
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what is one minor consequence of obesity
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chronic leg pain
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a consequence of obesity is type 2 diabetes and what can occur
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going blind and it wrecks kidneys
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obesity creates cardiovascular problems such as...
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high LDL which is bad and blocks blood vessels
high blood pressure which leads to strokes and heart attacks |
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what is the atkins diet
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low carb diet 20g a day vs USDA 300g a day
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how many grams of glucose does the brain use every day
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120g
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if you fast you run out of carbs in a day or two and what happens
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body starts breakking down protein into glucose
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what happens after 4-6 weeks of fasting
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metabolic switch
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what happens in a metabolic switch during fasting
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fats are converted to ketomes which are used by the brain
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what is a ketogenic diet
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testing of urine for ketomes
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what group of people is fasting effective for
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certain epileptic children, especially those who do not respond to anti seizure medicine
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are most chemicals in our body reactive or unreactive
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unreactive
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give an example of an unreactive chemical
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honey because the sugars are unreactive and can be stable for months
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what happens an hour after honey is consumed
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the glucose is totally broken down because of enzymes
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enzymes are proteins that are...
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biological catalysts that speed up reactions
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how do enzymes speed up reactions
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by lowering the activation energy
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how do enzymes lower activation energy
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they bring the substrates (reactants) close together at the active site
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what is activation energy
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energy molecules must have before they will react
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what was lockes theory (which was the old theory)
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lock-in-key theory which was a perfect fit
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what is the new theory
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induced fit theory
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what is the induced fit theory
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approximately fit bind of the substrates changes the shape of enzyme and that facilitates the reaction
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what is pickling
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food in dilute aectetic acid (vinegar)
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what does pickling do
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reduces microbial growth
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