Fiber content of the diet can be increased by adding
a. fresh fruits.
b. fish and poultry.
c. eggs.
d. whole grains and cereals.
e. Both a and
e. Both a and d
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A staphylococcal isolate that gives a negative result using the Cefinase disk and tests resistant to penicillin by disk diffusion means that:
a. the isolate may contain the mecA gene. b. the bacteria produce the lactamase en-zyme. c. the isolate is also resistant to ampicillin, carbenicillin, ticarcillin, and imipenem. d. the isolate is also resistant to oxacillin, cefoxitin, and ticarcillin-clavulanate.
The process in which nitrogenous waste products are decomposed by soil bacteria and fungi releasing NH3 or NH4 is
____. a. nitrification b. ammonification c. denitrification d. nitrogen fixation e. hydrogenation
In what way could marine invertebrates that scatter gametes in the water prevent the sperm from one species from fertilizing the eggs of another species?
a. by preventing the sperm from binding to or entering the egg of another species b. by preventing the resulting hybrids from passing on their genetic material to offspring c. through behavioral isolation d. through geographic isolation e. by preventing the resulting hybrid from surviving
Choose the most appropriate answer for each.
A. triploidy B. translocation C. monosomy D. duplication E. trisomy F. deletion G. inversion