★ Biology Quiz
A substance that cannot be broken down into simpler chemical substances is called ___.
A. an atom
B. an element
C. a compound
D. a covalent bond
Select your answer:
Topics:
Inflammation and Healing BIOMEDICAL MCQ Medical Terminology Gastroinestinal Gastroenterology What is Psychology? Microbial Growth & Nutrition Hospital Unit Transportation in Organisms Metabolism Inflammation and Tissue Repair A Treat For Mosquitoes Physical Pharmacy Respiratory System Musculoskeletal Fitness Bone ology & phobiaOther quiz:
Protein and Amino Acid Metabolism › ViewWhat is the role of the citric acid cycle in amino acid metabolism?
A. Converts urea to ammonia for absorption
B. Converts glucose to amino acids for storage
C. Converts ammonia to urea for excretion
D. Converts amino acids to keto acids for energy
Cell - Fundamental Unit of Life › View
The picture is an example of…
A. active tranport
B. passive transport
C. diffusion
D. osmosis