Any process that causes an irreversible change in the shape of a protein is called
A. hydrolysis.
B. denaturation.
C. emulsification.
D. degradation.
Answer: B
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The hypothenar eminence is the medial region of the palm immediately proximal to the little finger.
Answer the following statement true (T) or false (F)
The ventral part of the medulla oblongata near the origin of the vagus nerve is the location of
A. peripheral chemoreceptors. B. central chemoreceptors. C. mechanoreceptors. D. baroreceptors.
Nongated ion channels
A) open in response to small voltage changes. B) open when a ligand binds to its receptor. C) are responsible for the ion permeabilities of the resting plasma membrane. D) allow substances to move into the cell but not out. E) all of the above.
Which of the following is not an example of an important inorganic substance necessary for normal human physiology?
A. Calcium ions are important components of cellular communication. B. The sugar-phosphate backbone of DNA form from covalent bonds between nucleotides. C. Oxygen is the final electron acceptor in cellular respiration, the process that generates much of the ATP in cells. D. Iodide ions are important components of certain hormones in the body.