Fungal infections are difficult to treat because
A. they mutate very rapidly and therefore become resistant to most medications.
B. fungal and human cells are so similar that it is difficult to make fungal medications that do not harm human cells.
C. they "hide out" inside of cells, and have long latent periods where medications can not get to the organism.
D. All of the answer choices are correct.
Answer: B
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Which of the following diseases affecting respiratory function is caused by an infectious organism?
A. lung cancer B. emphysema C. asthma D. cystic fibrosis E. pneumonia
Protozoa are classified into four groups based on ________.
A. their required nutrients B. the resistance properties of their cysts C. their pathogenicity D. how they move
Which conclusion do the data best support?
1.one year is an adequate time frame to show the effects of treatment on fire ant populations
2.fire ant populations develop resistance to pesticides
3.fire ant populations have natural ups and downs
4.fire ants are long-lived organisms
Plants, fungi and bacterial all have:
A. nuclei B. cell walls C. lysosomes D. mitochondria E. chloroplasts