The majority of infections with poliovirus are (asymptomatic/nonparalytic/paralytic).
Fill in the blank(s) with the appropriate word(s).
asymptomatic
Biology & Microbiology
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The polynucleotide chain of DNA has polarity: the 5¢ end has a bound ____, while the 3¢ end has a bound ____
a. deoxyribose sugar, ribose sugar b. adenine, thymine c. cytosine, guanine d. hydroxyl group, phosphate group e. phosphate group, hydroxyl group
Biology & Microbiology
When retreating glaciers carved deep coastal valleys they created:
a. fjords. b. salt-wedge estuaries. c. well-mixed estuaries. d. tectonic estuaries. e. drowned river valleys.
Biology & Microbiology
Which of the following produce N-formylmethionine as their first amino acid in protein synthesis?
a. Mercaria b. Archaea c. Bacteria d. Eukarya
Biology & Microbiology
A lysogenic bacterium causes lysis of other bacteria on contact.
a. true b. false
Biology & Microbiology