A protein associated with a more virulent form of Staphylococcus is
A. leukocidin.
B. mannose.
C. streptokinase.
D. coagulase.
D
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Liquid media containing heat-sensitive components would best be sterilized by
A. ultraviolet (UV) light at 500 nm. B. freezing. C. lyophilization. D. membrane filtration.
A ________ provides an inventor with government-granted protection of an invention for a period of time, preventing others from using or making the invention without being licensed to do so
A) clinical trial B) NDA C) patent D) royalty E) licensing agreement
When they ferment glucose, members of the genus Streptococcus produce lactic acid, but no gas.
Answer the following statement true (T) or false (F)
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.