One of the most popular taxonomic tools is DNA fingerprinting to develop profiles of organisms. These profiles provide direct information about
A) enzymatic activities.
B) protein composition.
C) the presence of specific genes.
D) antigenic composition.
E) the similarities between nucleotide sequences.
E
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A notable exception to this evolutionary adaptation is the lack of any flying species within the
A. reptiles. B. amphibians. C. birds. D. insects. E. mammals.
Which mathematical symbol represents the carrying capacity of a population?
A) K B) r C) J D) S
Which statement regarding brain activity is true?
A) Recent research has revealed that the 1848 accident involving Phineas Gage caused damage to his hindbrain. B) People usually die following a hemispherectomy. C) People cannot function when the communication channels between the hemispheres are cut. D) Electrical stimulation of the cerebral cortex can cause people to experience sensations.
Which one of the following features is unique to animals?
A. Embryonic development B. Cells organized into tissues C. Movement associated with muscle tissue and nervous tissue D. Cells without walls E. Heterotrophism