Grab (1) whiteboard, pen and rag (2) scratch paper (3) data booklet (4) calculator (5) team of up to 4 people And… come up with a team name! Click to begin.
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Foods 2Drugs 2Mixed 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Drugs 1Foods 1 Final!
What is it called when a solid is dispersed in a liquid?
Suspension
Name the 3 nutrients
Fats, Protein, Carbohydrates
Also called “non- enzymatic browning”
Maillard Reaction Note: protein + sugar, example= milk chocolate
Name 2 pigments
Carotenoids, Anthocyanins, Chlorophyll, and Heme
Define shelf life
TIME period it takes before a food is no longer DESIRABLE to the consumer
Where are anthocyanins found?
Berries mainly… (red/blue hues) 30 point BONUS Question!
If potassium permanganate is added to propan-2-ol, name the product(s) propanone Back
Name 2 methods of food preservation used in canning
sugaring, heating, reducing pH, eliminating oxygen (or small headspace)
What happens chemically when fats turn rancid? (hydrolytic rancidity only in SL)
They break into glycerol and their fatty acids
Give two pros of hydrogenating oils
(1) Cheap (2) increased shelf life (3) increase melting point/hardness
Vitamin C, selenium, and beta carotene are natural ____
Antioxidants
The area between the LD50 and the ED50; indicates the overdose danger of a drug
Therapeutic Window 30 point BONUS question!
Put these oxides in order of increasing pH when added to water: Na 2 O, P 2 O 4, SiO 2 P 2 O 4 < SiO 2 < Na 2 O Back
Why is it not advisable to take aspirin and drink alcohol?
Synergistic effect leads to increased stomach bleeding
List 2 physiological effecs of stimulants
Any 2: Increased blood pressure, dilated pupils, increased heart rate
Write an equation for the neutralization of stomach acid by Mg(OH) 2
Mg(OH) 2 + 2HCl MgCl 2 + 2HOH
Identify the functional group that both caffeine and nicotine have in common
Tertiary amine
What is the fastest drug delivery method?
Intravenous- directly into the bloodstream Note: 4 other methods= oral, subcutaneous, intramulscular, inhalation, and rectal
Explain how mild analgesics work to relieve pain (2)
Intercept pain at the source Reduce the production of protaglandins which cause pain
Name 1 positive side effect of taking aspirin for pain
Protect against heart attack and stroke
Name 3 long-term effects of taking morphine and its derivatives
Constipation; obesity/underweight (poor nutrition); decreased libido; disruption of menstrual cycle; theft and/or prostitution, dependence
Define Drug Tolerance
Increased dose is needed to achieve the same effect
In a dichromate breathalyzer, what color change indicates the presence of alcohol?
Orange (Cr 2 O 7 2- ) to green (Cr 3+ )
Who is this…?
Fritz Haber
Name this molecule:
Chloro benzene
This is entrance music for…
Darth Vader
What are the 3 tenets of collision theory?
In order to react, particles must (1)Collide (2)Hit with the enough energy (3)Have the correct geometry
Make your wager
The discovery of pennicillin in 1928 was revolutionary (1)Describe how pennicillin works to kill bacteria and (2) State 2 reasons that over- prescription of antibiotics is dangerous
(1)Interferes with bacteria’s cell wall production; allowing water in and the bacteria burst (2)Kills good bacteria/Bacteria grow resistant/ Reduces the effect