The treating of a viral infection by inoculating the host with a bacterial virus:
a. Is chemotherapy
b. Is phage therapy
c. Is radiation therapy
d. Is antibiotic therapy
e. None of these are correct
Answer: b. Is phage therapy
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Asexual reproduction is common in the filamentous ascomycetes and is associated with the production of ________.
A. ascospores B. conidia C. zoospores D. basidia
Two students studying physiology taste a known "bitter" substance, and both report sensing bitterness. They then sample another substance. Student A reports sensing both a bitter taste and a salty taste, but student B reports only a salty taste
What is the most logical explanation? A) Student A had an allergic reaction to the food, causing him to perceive the food as being bitter. B) Student A has normal "bitter" taste buds; student B has defective "bitter" taste buds that result in lower sensitivity to bitterness. C) Student A has a protein receptor capable of detecting a bitter molecule found in that substance, whereas student B lacks that particular protein receptor. D) Student A has normal saliva, whereas student B's saliva is more alkaline than normal.
In an attempt to determine the source of a growing plant's mass, van Helmont planted a willow seedling in a pot of soil. After 5 years, the willow weighed 76.8 kg, and the soil had lost 0.06 kg of weight. Only water had been added to the pot. Which
conclusion should van Helmont have drawn? A) Plants get their mass from water. B) Plants get their mass from water and air. C) Plants get their mass from water and atmospheric CO2. D) Plants get all or almost all of their mass from a source other than soil.
The mechanism of action of RhoGAM is to (activate/neutralize/prevent) an anti-Rh immune response.
Fill in the blank(s) with the appropriate word(s).