All of the following statements are true about the plasma membrane except?
A. Proteins are involved in signal transduction across the cell membrane
B. Membrane proteins catalyze chemical reactions
C. Integral proteins make channels in the membrane
D. Small ions can cross the membrane via simple diffusion
Ans: D. Small ions can cross the membrane via simple diffusion
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a. food availability b. disease c. earthquakes d. predation
The protein ____________________ binds calcium during muscle contractions Fill in the blank(s) with the appropriate word(s)
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