A drastic conformational change in a protein in response to extreme heat or pH is called ________.
A. contamination
B. deconformation
C. saturation
D. denaturation
E. sedimentation
Answer: D
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A dermatologist recommended a soothing waterproof ointment to be applied directly to a baby's skin. Which kind of medicine delivery did she prescribe?
A. Topical B. Sublingual C. Transdermal D. Subcutaneous
The hamate and capitate are two adjacent carpal bones. They articulate with each other at completely flat edges that allow sliding motions when needed. The joint between the hamate and capitate is a ________ joint.
Fill in the blank(s) with the appropriate word(s).
Which type of tissue conducts electrochemical impulses via cells called neurons?
A) epithelial tissue B) muscle tissue C) nervous tissue D) connective tissue E) dense tissue
In excitation-contraction coupling,
A. myosin heads bind to exposed active sites on actin. B. ATP binds to actin myofilaments. C. Ca2+ must bind with myosin to expose active sites on actin. D. movement of the troponin-tropomyosin complex causes actin myofilaments to slide. E. cross-bridges form between myosin heads and Ca2+.