Proteins store genetic information in a cell.

a. true
b. false


Answer: b. false

Biology & Microbiology

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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

Biology & Microbiology

During the _______ period, no additional action potentials can be created.

a. absolute refractory b. conduction c. integration d. relative refractory

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology