The influenza virus, a deadly infectious agent found around the world, is composed of _________ and _________.
A. DNA ... RNA
B. DNA ... protein
C. nucleic acid ... RNA
D. RNA ... protein
D. RNA ... protein
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The mitotic stage in which the chromosomes decondense and the nuclear membrane reforms is:
A. prophase. B. metaphase. C. anaphase. D. telophase. E. interphase.
The primary virulence factor of Neisseria gonorrhoeae is ________.
A. a protease B. an exotoxin C. a hemolysin D. fimbriae E. an endotoxin
Several cases of an emerging infectious disease are reported in workers at a research station that borders a tropical rainforest region. The pathogen is identified as a species of bacteria carried by nematodes that infect mosquitos, and disease transmission occurs in a human host following a mosquito bite. Which organisms should be targeted in the treatment of infected patients?
A. Mosquito and nematode B. Mosquito and bacteria C. Nematode and bacteria D. Mosquito, nematode, and bacteria
Match the letter of each example from childbirth to the appropriate component of a positive feedback loop.A. Pituitary gland secretes oxytocin, which acts on the uterusB. Uterine contractions increaseC. Fetus is pushed against uterine openingD. Receptors detect stretchE. Brain receives and compares stretch informationStimulus
What will be an ideal response?