Which of the following is/are true of DNA replication?
A. It starts at the origin of replication.
B. Nucleotides are added to the 3' end.
C. It requires an RNA primer to get started.
D. It utilizes polymerases.
E. All of the choices are true.
E
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With regards to mode of disease transmission, respiratory pathogens are generally ________, and intestinal pathogens are generally spread by contaminated ________
A) spread by direct contact / vectors B) spread by indirect contact / carriers C) more transmissible / needles D) airborne / food or water
The mechanism of prokaryotic growth, DNA replication, and cell division resulting in two identical
daughter cells is called ____.
a. mitosis b. meiosis c. binary fission d. budding e. zygote formation
Those marine mammals most adapted to a marine existence are the
a. pinnipeds. b. sirenians. c. cetaceans. d. sea otters.
Woese developed the three-domain system based on differences in organisms'
A. cell morphologies. B. rRNA sequences. C. Gram stain reactions. D. habitats.