Q: Q: What organelles are known as the "power plants" of the cell? A: | OPTIONS:
- plastid
- flagella
- golgi body
- mitochondria
A: mitochondria

Q: Q: Amino acids are joined together to form a chain at what molecular structure? A: | OPTIONS:
- chloroplasts
- chromosomes
- DNA
- ribosomes
A: ribosomes

Q: Q: What body joint incurs the most common overuse injury among runners and other athletes? A: | OPTIONS:
- arm
- heel
- ankle
- knee
A: knee

Q: Q: What is the chief organ of the urinary system? A: | OPTIONS:
- liver
- bladder
- lung
- kidney
A: kidney