Food poisoning from Salmonella occurs because of ________
A) an exotoxin secreted by Salmonella bacteria
B) an endotoxin produced by Salmonella bacteria
C) easy transmission between people living in close contact
D) extremophile conditions
B
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Which of the following is strongly associated with net primary productivity?
A) sea surface temperatures B) actual evapotranspiration C) ocean biodiversity D) increased altitude
What two experimental procedures allowed deciphering of the ordered triplet assignments of the genetic code?
What will be an ideal response?
All of the following describe characteristics of sclerenchyma cells, except which?
A. Their secondary walls may be impregnated with lignin. B. Their function is primarily to transport oxygen and carbon dioxide throughout the leaf. C. They have thick, tough secondary walls. D. They lack living protoplasts when mature. E. They form fibers and sclereids.
Which of the following can help prevent shin splints?
What will be an ideal response?