Which of the structures in Figure 48-1 represents the nitrogenous waste urea?



a. 1

b. 2

c. 3

d. 4

e. 5


D

Biology & Microbiology

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Scientists recognize ___________ as a group, or kingdom, in the taxonomic structure.

Fill in the blank(s) with the appropriate word(s).

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Which of the following are energy-storing polymers?

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