The combination of a virus's protein coat and nucleic acid core is called the (capsid/virion/nucleocapsid)
What will be an ideal response?
nucleocapsid
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How is the resting membrane potential established?
What will be an ideal response?
The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is
A. ligase. B. DNA polymerase. C. ATP synthase. D. helicase. E. primase.
Ninety-six percent of the base-pair sequences in chimps and humans are the same. This finding indicates that:
A. 96% of the genes in humans have identical counterparts in chimps. B. humans are more closely related to chimps than to any other species on earth. C. 4% of the DNA we carry contains mutations. D. 96% of the proteins produced by chimps are identical to the proteins produced by humans.
Which of the following characteristics does not apply to water?
A) all three atoms in the water molecule ready form hydrogen bonds B) Water is an excellent solvent C) The water molecule is asymmetric D) The water molecule readily forms hydrophobic interactions E) The covalent bonds in water are strongly polarized