A researcher runs a BLAST program comparing turkey phenylalanine hydroxylase, which functions in the metabolism of phenylalanine, with known database sequences. Which of the following should provide the closest match?
A. green pufferfish
B. zebrafish
C. chicken
D. orangutan
E. fruit fly
C. chicken
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As you are reading this question, your brain interprets the information and a __________ is
required for you to physically circle the correct answer.
a. CNS b. sensory input c. motor output d. pheromone
Which pattern of diploid and haploid phases reflects the life cycle in some fungi and algae, but not plants or animals?
a. alternation between haploid and diploid generations b. two haploid generations followed by a diploid generation c. one haploid generation followed by two diploid generations d. a life cycle that limits the diploid state to a single cell produced by fertilization e. a life cycle that limits the haploid state to a single cell which is immediately fertilized
In order to fit the X-ray crystallographic data, the two DNA strands must be ____ to each other
a. complementary b. uncomplementary c. parallel d. antiparallel e. semiconservative
An adaptation that is closely associated with hominin evolution is
A) hair. B) lungs. C) grasping hands. D) omnivory. E) a backbone.