Topics: Life Processes Excretion Quiz
A nitrogen waste resulting from the breakdown of the amino acids produced during protein digestion.
A. carbon dioxide
B. bile
C. urea
D. water
Select your answer:

Topics:
Diseases of Digestive System Musculoskeletal Anatomy: Knee Bacterial Growth and Culturing Conditions Skin Appendages Cells and Organ Systems Cell Cycle The Brain Our Control Center Cell Injury Carbohydrates, Proteins and Lipids Pathology How the Eyes work Biomedical Diseases of The Digestive System Musculoskeletal Injuries & Workstation Design Tissue Repair PathologyOther quiz:
Protein Synthesis Enzymes › ViewWhich enzyme unwinds the DNA double helix by breaking hydrogen bonds between complementary base pairs?
A. Primase
B. Ligase
C. Topoisomerase
D. Helicase
Respiratory and Circulatory › View
Levels of organization from smallest to largest
A. organelle, cell, tissue, organ, organ system, organism
B. cell, tissue, organelle, organ, organ system, organism
C. organism, organ system, organ, tissue, cell, organelle
D. organism, organ system, organ, organelle, tissue, cell