The most frequent genus causing wound infections in healthy people is
A. Pseudomonas.
B. Staphylococcus.
C. Pasteurella.
D. Rochalimea.
B.
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Answer the following statements true (T) or false (F)
1.Mycologists classify fungi into five phyla based on their sexual structures. 2.Ascomycetes are fungi that cause disease and are not beneficial to humans in any way. 3.A dikaryotic stage is common in the life cycle of many plants, protozoans, and fungi. 4.Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis. 5.Some animals are autotrophs.
What prompted Darwin to publish his book decades after he began writing it?
A) He had completed the last of his experiments. B) He had returned from his voyage around the world. C) A colleague (Alfred Wallace) was about to publish a similar manuscript. D) After years of searching, he finally found a publisher willing to accept it.
During early development, all cells in the embryo of a multicellular organism are identical. Later on in development, the cells will become specialized through a process called
A) apoptosis. B) cytokinesis. C) differentiation. D) interphase.
The biological species concept is based on:
A) differences among populations. B) geographic isolation. C) DNA sequences. D) reproductive isolation.