The ?-subunit of a heterotrimeric G-protein is active when bound to ________
Fill in the blank with correct word.
Answer: GTP
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Tissue transplanted from one body site on a patient to a different body site on that patient is called a(n) ________.
A. autograft B. isograft C. xenograft D. hypograft E. allograft
Cilia are part of the protective barrier located in the:
A. respiratory tract. B. skin. C. stomach. D. genitourinary tract.
The fitness of an organism includes any of these behaviors except
A. behaviors associated with courtship, sexual selection, and mating. B. the set of innate behaviors in which animals respond to stimuli. C. the learned behaviors that animals develop from experience in accessing needed resources. D. the altruistic behaviors, which place an animal at additional risk for the good of others. E. an animal's behaviors that promote survival and reproductive success of itself and its kin.
Based on modern molecular phylogeny, which animal taxon has members with radial symmetry?
a. Ecdysozoa b. Deuterostomia c. Radiata d. Protostomia