Unlike bacterial operons, eukaryotic operons
A) are all positively controlled.
B) are all negatively controlled.
C) are restricted to certain eukaryotic kingdoms.
D) are exceedingly rare.
E) None of these
D
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Which of the following statements best describes the habitats of Vibrio spp., Aeromonas spp., Plesiomonas shigelloides, and Chromobacterium violaceum?
a. Habitats are limited to the upper respira-tory tract of various mammals. b. Habitats are limited to the gastrointestinal tract. c. Habitats are mostly soil and water envi-ronment. d. Habitats are limited mostly to soil.
Describe what happens to the nucleosome during DNA replication
What will be an ideal response?
Which membrane proteins are involved with the transport of molecules that otherwise would be unable to enter the cell?
a) linker proteins b) glycoproteins c) carrier proteins d) peripheral proteins e) receptor proteins
A new nucleotide is added to a growing strand of DNA at the 3' end
Indicate whether the statement is true or false