Large amounts of adenosine triphosphate (ATP) are produced in the:
a. cell nucleus.
b. mitochondria.
c. cell cytoplasm.
d. muscle fibers
Answer: b. mitochondria.
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De-Nitrification is the conversion of _______ to gaseous forms like dinitrogen and oxides of nitrogen
A. Nitrite B. Nitrate C. Ammonium
Which lipoprotein contains the highest percentage of cholesterol?
a. Chylomicron b. Low-density lipoprotein c. High-density lipoprotein d. Very-low-density lipoprotein e. Very-high density lipoprotein
What best describes a benefit of a point of service (POS) plan?
a. Plan members can get medical care from both in- and out-of-network providers. b. Plan members receive a tax-advantaged health reimbursement arrangement. c. Plan members can use specialty services without requiring a referral. d. Plan members are always enrolled in a health savings account.
Which statement best describes the source and metabolism of heme iron?
a. Heme iron is found in plant foods; it requires a reducing agent for absorption b. Heme iron is found in plant foods; it does not require a reducing agent for absorption c. Heme iron is found in meats and animal tissue; it requires a reducing agent for absorption d. Heme iron is found in meats and animal tissue; it does not require a reducing agent for absorption