What symptoms are shared by knockout mice with nonfunctional Dvl genes and humans with certain
psychiatric disorders?
What will be an ideal response?
Knockout mice with nonfunctional Dvl genes do not build nests or socialize with other mice. These
mice also have an intensified startle reflex. Humans with certain psychiatric disorders may also startle
easily, and often do not display appropriate social behavior.
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The disease SARS is spread by ______
A. skin to skin contact D. sneeze droplets B. sexual intercourse E. more than one of these C. blood infections
The hydrogen atoms of a water molecule are bonded to the oxygen atom by ________ bonds, whereas neighboring water molecules are held together by ________ bonds
A) hydrogen; polar covalent B) polar covalent; hydrogen C) ionic; covalent D) polar covalent; ionic
RNA interference (RNAi) can be used by
A) researchers to induce the production of more mRNA. B) researchers to artificially turn on gene expression. C) viruses to stop the production of new proteins. D) cells to prevent infections from double-stranded RNA viruses.
Developed the vaccine for small pox
What will be an ideal response?