Activation of the ________ G-protein results in the extension of lamellipodia
Fill in the blank with correct word.
Answer: Rac
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In what general way are regulons regulated?
A) Regulons can be under both positive or negative control. B) Regulons are under negative control exclusively. C) Regulons are under positive control exclusively. D) Global regulation of regulons depends on the regulatory guidance of RNA polymerase II. E) Regulons are regulated by feedback translation loops.
Because oxygen is more electronegative than hydrogen, the water molecule is:
A. hydrophobic. B. hydrophilic. C. nonpolar. D. ionic. E. polar.
All of the following are actin-dependent nonmuscle motilities except
A) extension of the ER. B) cleavage furrow constriction in cytokinesis. C) chemotaxis. D) cyclosis or cytoplasmic streaming. E) amoeboid movement.
Which of the following is a family of double-stranded RNA viruses?
A) Picornaviridae B) Coronaviridae C) Retroviridae D) Reoviridae E) Rhabdoviridae