What is a mistake that is made during copying of genetic information?
A) genotype
B) mutation
C) variance
D) zygote
B
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At the genetic level, evolution is
A. a change in fitness over time. B. a population change over time. C. a change in the frequency of an allele or genotype over time. D. an increase in fitness over time. E. natural selection.
Prions ____
a. are more complex than viruses b. have large DNA genomes c. cause neurodegenerative disorders in mammals d. infect plant cells e. encode their own polymerases for nucleic acid replication
How is caspase-activated DNase (CAD) activated?
a) A caspase binds to CAD allosterically, activating it. b) A caspase cleaves an activator of CAD, turning it on and causing it to activate CAD. c) A caspase cleaves CAD, activating it. d) A caspase cleaves a CAD inhibitor, relieving the CAD of inhibition. e) None of the choices is correct.
Archaea, Bacteria, and Eukarya are:
A. orders B. phyla C. domains D. kingdoms E. families