What is a toxic metabolic waste product formed primarily by the breakdown of proteins?

A. Kidney stones
B. Ammonia
C. Nephridia
D. Uric acid
E. Protonephridia


Answer: B

Biology & Microbiology

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Ferns, roots, and fronds grow from __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Monocot leaves typically have:a

alternately palmate venation. b. netted venation. c. parallel venation. d. alternately pinnate venation. e. no venation.

Biology & Microbiology

The vampire squid was placed in the order Vampyromorpha on account of:

a. it has ten arms, but looks like an octopus. b. it appears to drift rather than actively swim. c. it has tentacles that can be coiled up. d. all the above

Biology & Microbiology

A high level of which hormone increases the chances of having fraternal twins?

a. estrogen b. progesterone c. LH d. hCG e. FSH

Biology & Microbiology