The ?-subunit of a heterotrimeric G-protein is active when bound to ________

Fill in the blank with correct word.


Answer: GTP

Biology & Microbiology

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Cilia are part of the protective barrier located in the:

A. respiratory tract. B. skin. C. stomach. D. genitourinary tract.

Biology & Microbiology

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.

Biology & Microbiology

Based on modern molecular phylogeny, which animal taxon has members with radial symmetry?

a. Ecdysozoa b. Deuterostomia c. Radiata d. Protostomia

Biology & Microbiology

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

Biology & Microbiology