Proteins store genetic information in a cell.
a. true
b. false
Answer: b. false
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Which of the following mechanisms is used by retrotransposons?
A. cut-and-paste transposition B. replicative transposition C. bacterial transduction D. transposition via an mRNA intermediate E. lysogeny
During the _______ period, no additional action potentials can be created.
a. absolute refractory b. conduction c. integration d. relative refractory
Zero population growth refers to
a. a point at which the number of individuals entering the population is equal to the number exiting. b. when the population size reaches zero. c. when more individuals exit the population than enter. d. the point at which the population size just starts to decrease. e. a rapid increase in the population size.
Select the receptor mediated endocytosis events that are in the correct (before, after) order:a
Endosome fuses with lysosome; receptors are transported to plasma membrane and recycled. b. Ligand binds to receptors; coated vesicle forms by endocytosis. c. Contents are digested and released in the cymosely; ligand separates from its receptor. d. Endosome fuses with lysosome; receptors are transported to plasma membrane and recycled. e. None of the events are listed in the correct order