Which of the following poxviruses are zoonoses?
A. molluscum contagiosum
B. smallpox
C. cowpox
D. monkeypox
E. both cowpox and monkeypox
Answer: E
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What are the functions of the mammalian kidney? Check all that apply.
_____ water retention _____ filtration of blood _____ excretion of nitrogenous waste _____ regulation of salt balance in the blood _____ production of urea
Large amounts of oxygen gas first appeared in Earth's atmosphere about ________ years ago
A) 500,000 B) 10 million C) 2.7 billion D) 3.5 billion
Which is not a role of the cystic fibrosis transmembrane conductance regulator (CFTR)?
a) facilitative transporter of glucose b) cyclic AMP-regulated chloride channel c) conductor of bicarbonate ions d)stimulator of activity of a family of epithelial bicarbonate exchangers
Saturated fatty acids have _________________ than unsaturated fatty acids, which is why they exist as a ____________ at room temperature.
A) fewer hydrogen atoms; solid B) fewer double bonds; solid C) more double bonds; liquid D) more carbon atoms; solid E) more glycerol molecules; liquid