The simplest nitrogenous waste product of protein breakdown is
What will be an ideal response?
ammonia
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The wall that divides the nasal cavity is called the _____
a. nasodivision b. nares c. nasal septum d. nasal meatus.
Which feature is not found among the annelids, mollusks, flatworms, and arthropods?
a. Multicellularity b. Bilateral symmetry c. Tissues d. Radial symmetry e. Protostome development
A neuron maintains a resting potential primarily because ______ ions leak out of the cell, causing the inside of the cell membrane to become ________ charged with respect to the outside.
A. potassium/negatively B. potassium/positively C. sodium/negatively D. sodium/positively
When studying Drosophila genetics, Morgan found that the haploid chromosome number equals the number of
A) bouquets. B) linkage groups. C) centromeres. D) haploid gametes. E) cohesins.