Starch digestion begins in the ____________ with the addition of salivary amylase to food particles.
A. In the mouth
B. In the esophagus
C. In the stomach
D. In the small intestine
Answer: A. In the mouth
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Which of the following lung volumes keep the lungs from completely deflating, even after a maximal
exhalation?
a. residual volume b. tidal volume c. vital capacity d. lung capacity e. lung volume
What is the consequence of placing a proline side chain within an alpha helix?
A) Proline disrupts the structure of an alpha helix, causing it to kink. B) Proline stabilized the folded alpha helical structure, causing it to kink. C) Proline isomerizes to the trans form and the alpha helix is undisturbed
Cords of dense, regular connective tissue holding a synovial joint together are called _______.
A. ligaments B. tendon C. joint D. sphincter E. skeletal muscle
Some enzymes contain molecules in the active site that help facilitate chemical transformations. These molecules are called:
A) substrates. B) coenzymes. C) products. D) co-substrates.