A possible trigger for pneumonia is influenza, which is caused by ________ .
a. a protozoan
b. bacteria
c. a carcinoma
d. a virus
e. particulate matter.
Answer: d. a virus
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In the case of John Moore, whose excised spleen was used by UCLA researchers to establish patented cells lines and ultimately commercially valuable products, the California Supreme Court ruled in 1990 that _____
a. patients are entitled to property rights over cells or tissues removed from the body and used to develop commercial products b. patients do not have property rights over cells or tissues removed from the body and used to develop commercial products c. human cells and cell lines cannot be patented d. organ donors cannot be compensated from the sale of human tissue e. recombinant DNA technology is harmful
A pollination syndrome is
A. the synchronous release of pollen by many individuals of wind-pollinated trees. B. specializations of plants that attract a specific kind of pollinator. C. the simultaneous release of two sperm, one to affect fertilization and the other to initiate formation of endosperm. D. a brushlike tongue of hummingbirds to which pollen adheres. E. a series of bristles on the backs of insects to which pollen adheres.
If the vapor pressure is 1 kPa, what would be the approximate dew point?
A) 25°C B) 10°C C) 18°C D) 1°C
Which component of the 50S subunit is believed to be responsible for catalysis?
What will be an ideal response?