Adjacent amino acids in a polypeptide chain are held together by ________ bonds.
A. high energy
B. ionic
C. Van der Waals
D. hydrogen
E. peptide
Answer: E
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Membrane proteins perform all of the following functions except
A) anchoring the cell to other structures. B) binding to extracellular ligands. C) transporting solutes across the membrane. D) catalyzing chemical reactions. E) metabolizing glucose to gain energy.
The time between cell divisions is called ________.
A. telophase B. prophase C. metaphase D. interphase E. anaphase
The coracoid process is found on the ________.
A. femur B. humerus C. fibula D. ulna E. scapula
Differentiate graded potentials and action potentials. Select all that apply.
-summation of graded potentials can not occur but summation of action potentials are possible. -graded potentials are conducted in a decremental fashion and action potentials are conducted with a constant magnitude -the magnitude of graded potentials is variable and action potentials are all or none.