Which of the following is not true of the cytoskeleton?
A. It is important for cellular movement.
B. It refers to the cellular components of bone.
C. It refers to a network of cytoplasmic filaments.
D. It helps to determine a cell's shape.
E. It includes actin filaments.
Answer: B
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a) Teeth b) Salivary glands c) Liver d) Gallbladder e) Pharynx
What is the main role of membrane carbohydrates?
a. electrical conductance b. self-identity markers c. transport molecules d. barrier compounds e. initiates endocytosis
Activated B cells differentiate into:
A) effector cells and memory T cells. B) plasma cells and effector cells. C) plasma cells and memory B cells. D) antibodies and memory B cells.
A baseball pitcher who injures one of his SITS muscles most commonly sustains tears to the tendon of which muscle?
A. Infraspinatus B. Deltoid C. Subscapularis D. Teres minor E. Supraspinatus