Topics: Macromolecules and Enzymes Quiz
This macromolecule is a long-term energy source, especially when sugars are not avaliable.
A. Carbohydrates
B. Lipids
C. Nucleic Acids
D. Proteins
Select your answer:

Topics:
Obesity Carbohydrates and Proteins Laser in Medicine Hematologic System Bones Anatomy Blood types and Blood Components Cell and Muscle Histology Entomology Body Movements Health Unit Coordinating Circulatory System - Pathway of Blood Monoclonal Antibodies Nasal Polyp Vascular Cell Biology & BiotechnologyOther quiz:
Body Movements › ViewWhich of the following organs is/are protected by the rib cage?
A. heart
B. lungs
C. kidneys
D. all of these
Kidney - Loop of Henlé › View
The “salty” region of the kidney.
A. Cortex
B. Medulla
C. Renal pelvis
D. Hilum