A coiled fibrous protein in connective tissue that is stretchy is called
A. hyaluronic acid.
B. proteoglycan.
C. elastin.
D. collagen.
E. a reticular fiber.
C
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Usable energy in the ATP molecule is stored in the:
a. adenosine portion of the molecule b. bond attaching the adenosine to the first phosphate group c. bond between the second and third phosphate groups d. both B and C above
The stretch reflex is a monosynaptic reflex because the only synapse in the reflex arc is the one between the thalamus and the hypothalamus
a. True b. False Indicate whether the statement is true or false
Salivary amylase and the pancreatic enzymes are inactivated by acid
Indicate whether the statement is true or false
The heart muscle lies within a space in the thoracic cavity called the:
A. mediastinum. B. hemithorax. C. pericardium. D. endocardium.