If dogs, lizards, and deer all share the characteristic of having four legs but only dogs and deer share the characteristic of fur, which of the following would be considered the most closely related taxa?
A. Deer and dogs
B. Dogs and lizards
C. Lizards and deer
Ans: A. Deer and dogs
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Hoogsteen base pairing:
A. can result in the formation of a tetraplex DNA from stretches of G residues. B. causes additional paring of an A to an existing A-T pair such that the T is bound to both Abases. C. can result in triplex DNA formation in stretches of DNA containing alternating purines and pyrimidines. D. results in triplex DNA in which all three strands are composed of purines only. E. can result in the formation of triplex DNA within long sequences containing only pyrimidines or only purines in a given strand.
During the paroxysmal stage of pertussis, symptoms are:
a. runny nose and mild cough. b. severe and violent coughing. c. neutrocytosis and fever. d. lymphadenitis.
What is microscope resolving power?
a. the ability to distinguish between internal structures and external structures of cells b. the magnification of the highest power objective lens on the microscope c. the ability to distinguish two adjacent structures as separate d. the magnification of the lowest power objective lens on the microscope
An example of an atom or molecule that directly breaks down O3 is CFC
___________________ Indicate whether the statement is true or false.