Discuss the problems with development of antifungal, antiprotozoan, antihelminth, and antiviral drugs compared to the antibacterial drugs. Discuss at least 3 different modes of action that have been developed for these drugs.
What will be an ideal response?
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Sponges are ____
a. herbivores b. filter feeders c. scavengers d. predators e. carnivores
In red blood cells, which of the following cytosolic proteins is the link between the plasma membrane and the spectrin/actin network beneath the cell surface?
a. Band 3 b. glycophorin c. dystrophin d. ankyrin
You go to the movies with a friend, and he refuses to share your popcorn. He says that he heard that movie theatre popcorn is triploid. What is the most likely explanation for this?
A. Popcorn is made from a different species of maize than regular corn. B. Most corn is genetically modified by large agricultural companies. C. All popcorn is triploid, because the starchy part of the kernel is triploid endosperm tissue. D. The buttery topping on movie theatre popcorn causes chromosomal abnormalities.
The tracheal system of insects __________.
cb. is stiffened with chitinous rings and leads into the lungs c. is filled by positive pressure breathing d. ramifies along capillaries of the circulatory system for gas exchange e. provides an extensive, fluid-filled system of tubes for gas exchange