Multiple Choice
What process best characterizes Ca2+ movement from the cytosol (low Ca2+ concentration) into the endoplasmic reticulum (high Ca2+ concentration) ?
A) Calcium movement is spontaneous.
B) Calcium movement involves active transport.
C) Calcium movement occurs by facilitated diffusion using a transporter protein.
D) Calcium movement does not require energy.
E) Calcium movement occurs by passive diffusion.
Correct Answer:

Verified
Correct Answer:
Verified
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