There are no infectious agents that can penetrate intact skin.
Answer the following statement true (T) or false (F)
False
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The organic non-protein components that aid in enzyme functioning are called
A. reactants. B. cofactors. C. coenzymes. D. substrates. E. products.
When a mixture of debris from killed virulent bacteria and living non-virulent bacteria are injected into mice:
A. the mice are killed because the virulent bacteria are revived. B. the mice survive because none of the living bacteria are virulent. C. the mice survive for a period of a few weeks and then die from an unrelated illness. D. half the mice are killed and the other half survive. E. the mice are killed because the non- virulent bacteria are transformed into virulent bacteria.
Hox genes are known to be important for: (check all that apply)
_____ spatial patterning. _____ apoptosis. _____ cell metabolism. _____ cell-cell adhesion.
The difference between septate hyphae and aseptate hyphae is
A. a difference in haploid and diploid cells. B. a distinction between saprotrophic fungi and parasitic or disease-causing fungi. C. a distinction between plasmodial masses with many nuclei and nonliving zygospores. D. a classification trait that separates basidiomycotes from ascomycotes. E. determined by whether the hyphae have cross walls or lack cross walls.