How does vitamin C "recharge" enzymes? Provide an example
Vitamin C acts like a battery re-charger to re-charge copper or iron atoms (by reducing them) so that they may act as batteries and provide the charge needed for enzymes to catalyze another reaction.
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What is the RDA for vitamin D for adults over 70 years old?
a. 15 mcg b. 20 mcg c. 30 mcg d. 35 mcg e. 40 mcg
Tonya is an overweight cigarette smoker. Which of the following risk factors would make it especially important for her to lose weight?
a. hypotension b. low LDL c. high HDL d. age over 45 years e. family history of heart disease.
Deprivation of oxygen and nutrients to the heart can cause a myocardial infarction
a. True b. False Indicate whether the statement is true or false
Herbal supplements should not be taken by pregnant women because:
a. they can cause fetal anomalies. b. some of them can contribute to low birthweight. c. the FDA has approved them only for non-pregnant consumers. d. most have not been tested for safety or effectiveness during pregnancy.