Which of the following NOT a function of a nervous system?
a. communication
b. interpretation of information
c. detection of changes in the internal environment
d. monitoring changes in the external environment
e. regenerating nerve nets
E
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Which statement best describes the phylogenetic relationship between protists, fungi, plants, and animals?
a. Fungi and animals share a common protist lineage, while plants arose from a different protist ancestor. b. Fungi and plants share a common protist lineage, while animals arose from a different protist ancestor. c. Animals and plants share a common protist lineage, while fungi arose from a different protist ancestor. d. Plants, animals, and fungi each arose from a different protist lineage. e. Plants, animals, fungi, and protists each arose from the same prokaryotic ancestor.
In vertebrates, DNA methylation-the addition of a methyl group to DNA nucleotides-ensures that
A. the gene functions without interruption. B. the nucleosome will quickly form, which assists in mRNA formation. C. once a gene is turned off, it will remain off. D. once that gene is transcribed, the mRNA is saved and used over and over again. E. no errors will be made during transcription.
MARs are
a. concentrated at centromeric regions. b. regions of the scaffold that attach to eukaryotic DNA during interphase. c. usually found at the ends of eukaryotic chromosomes. d. regions of the scaffold that attach to eukaryotic DNA during metaphase. e. regions of eukaryotic DNA that attach to the scaffold.
Which process results in genetic recombination, but is separate from the process wherein the population size of paramecium increases?
A) budding B) meiotic division C) mitotic division D) conjugation E) binary fission