A virus that causes congenital defects and developmental problems is known as ________.
Fill in the blank(s) with the appropriate word(s).
teratogenic
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If you were developing artificial B-cell receptors (BCRs) based on the natural version and wanted to change the BCRs' ability to bind certain antigens, which region of the natural receptor would you alter?
A) transmembrane domain B) amino terminus of light and heavy chains C) carboxy terminus of light and heavy chains D) the region projecting into the cytosol of the cell
Which explanation is NOT a reason for why Hawaiian honeycreepers are vulnerable to extinction
a. reduction of their habitats b. frequent volcanic eruptions c. encroachment of humans into their habitats d. importation of new predators and competitors into their habitats e. warming of their habitats, supporting mosquitoes that carry avian malaria pathogens
In individuals with cystic fibrosis:a
the mucus enhances the action of the cilia that line the bronchi. b. the mucus prevents the growth of dangerous bacteria in the respiratory system. c. the mucus in the respiratory system is thinner than in unaffected individuals. d. abnormal mucous secretions occur throughout the body systems. e. abnormal mucous secretions inhibit infections by bacteria.
The skin lesions characteristic of cutaneous infections with Bacillus anthracis are
A. eschars. B. acne. C. impetigo. D. scarlatina. E. pus-filled ulcers.