Which portal of entry is mismatched to its description?
A) ocular: via the conjunctiva
B) gastrointestinal: often involves fecal-to-oral transmission
C) urogenital: often associated with sexually-transmitted pathogens
D) otic: pathogen enters via the ear
E) parenteral: pathogen is passed from mother to child through the placenta
Answer: E
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The name given to the area of study that is involved with the determination of the entire DNA sequence of an organism is known as ________.
Fill in the blank(s) with the appropriate word(s).
Dinoflagellates that exist endosymbiotically within a variety of marine invertebrates are called
A. parasites. B. endotrophic. C. endoflagellates. D. zooxanthellae.
The time period from the initial contact with an infectious agent to the appearance of the first symptoms is known as the _____
Fill in the blank(s) with the appropriate word(s).
Which of the following is true of Agrobacterium tumefaciens?
A. It can enter plants through unbroken leaf tissue B. It causes crown gall disease when it carries a tumor inducing (Ti) plasmid C. It is capable of nitrogen fixation D. All of the choices are correct.