Select your answer:
Topics:
Major Organs Human Body Systems Functional Neuroanatomy of the CNS The Ear Health and Diseases Circulatory and Lymphatic System The Human Eye Benefits of Physical Activity Muscular System Nervous / Sensory System Muscular System Movements Skull Inflammation and Tissue Repair Healthcare Careers BloodOther quiz:
Eco Factors & Bacteria › ViewStrong outer layer that protects the bacterial cell from infection by viruses and attack from immune cells.
A. Pilli
B. Cell wall
C. Capsule
D. Flagella
Alzheimer Disease › View
What percentage of patients experience early-onset of the condition (before 65)?
A. 5-10%
B. 15-20%
C. 25-30%
D. 40-50%