What results when the rate of bone loss exceeds bone formation?
A. Graves’ disease
B. Osteoporosis
C. Hashimoto’s disease
D. Osteoarthritis
E. Polio
Answer: B
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Luke sprained his ankle, tearing some of the collagen protein that forms his ligaments. Some types of collagen consist of three polypeptide chains twisted together to form a rope-like strand. What level of protein structure does this rope-like strand represent?
A. Primary B. Secondary C. Tertiary D. Quaternary
How could you verify that a soft-drink container contains diet soft drink rather than soft drink sweetened with fructose?
What will be an ideal response?
Preferred samples for plating onto Ashdown media include throat, rectal, or sputum samples. Disease presentation can range from subclinical to disseminated disease. This infection is en-demic in Southeast Asia. Which organism is being sought?
a. B. cepacia b. Burkholderia gladioli c. B. mallei d. B. pseudomallei
Agricultural lands frequently require nutrient augmentation because _____
A) nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides B) the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested C) land that is available for agriculture tends to be nutrient-poor D) grains raised for feeding livestock must be fortified, and thus require additional nutrients E) cultivation of agricultural land inhibits the decomposition of organic matter