DNA isolated from Aspergillis has an adenine content of 25%. Based upon this information, what is the %G + %C within the Aspergillis DNA?
A) 0%
B) 25%
C) 50%
D) 75%
E) The answer cannot be determined from this information.
Answer: C
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Two taxa that are more closely related to each other than to any other taxon are called:
A. sister groups. B. paraphyletic groups. C. homologous groups. D. polyphyletic groups. E. analogous groups.
Characters that provide evidence for evolutionary relationships based on shared ancestry are called ____
a. homologous b. analogous c. taxonomic d. convergent e. exaptations
The hypothalamus releases TRH which stimulates the anterior pituitary to release TSH. Which type of stimuli is this?
a. humoral stimuli b. neural stimuli c. hormonal stimuli d. negative stimuli
Caldarchaeol lipids are extremely thermostable tetraethers found in many ________.
A. hypersalinic archaea B. autotrophic archaea C. psychrophile archaea D. hyperthermophilic archaea