In order for a cell to maintain a high degree of order, it must:a
constantly release energy.
b. constantly produce energy.
c. constantly destroy energy.
d. constantly use energy.
e. constantly increase energy
D
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A drug researcher has developed a macromolecule that can bind to scrapie and thus change the prions conformation. What effect might this have on the actions of scrapie?
A. The shape change could prevent the scrapie protein from converting normal proteins to scrapie proteins B. The shape change could induce scrapie protease activity C. The shape change could stop the transcription of scrapie RNA D. The shape change could stop the replication of scrapie DNA E. The shape change could block the translation of scrapie RNA
Trace the correct path in the endomembrane followed by a protein, beginning with its site of synthesis in the rough
ER.
a. rough ER ® smooth ER ® Golgi complex ® plasma membrane b. rough ER ® Golgi complex ® vesicle ® plasma membrane c. rough ER ® vesicle ® lysosome ® plasma membrane d. rough ER ® vesicle ® smooth ER ® plasma membrane e. rough ER ® smooth ER ® lysosome ® plasma membrane
A bilingual couple can speak English and Spanish. They have a child that is also bilingual and can speak English and Spanish. Has evolution occurred?
A. No B. Yes
Stable annealing due to hydrogen bonding between DNAs of similar nucleotide sequence from different organisms is referred to as ________.
A. hybridization B. hydrolysis C. restriction D. ligation