Myosin contains binding sites for ________ and ________.
A. ATP; actin
B. sodium; calcium
C. troponin; ATP
D. actin; calcium
Answer: A
Anatomy & Physiology
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The white matter of the spinal cord is mainly
A) unmyelinated axons. B) neuroglia. C) Schwann cells. D) myelinated axons. E) nodes of Ranvier.
Anatomy & Physiology
Which of the following functions would not be performed by the kidney?
A. Regulate synthesis of vitamin D B. Regulate synthesis of RBCs C. Urine storage D. Maintenance of fluid balance E. Excretion of waste
Anatomy & Physiology
The parathyroid gland, which secretes parathyroid hormone, is an organ comprising mainly tissue
a. nervous b. muscle c. connective d. epithelial
Anatomy & Physiology
The type of bone that is composed of small columns of bone loosely arranged in a grid-work pattern is known as ____ bone.
a. trabecular b. spongy c. soft d. compact
Anatomy & Physiology