Which of the following is the best explanation for the inability of an animal cell to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
A)blockage of the synaptic signal
B)loss of transcription factors
C)insufficient ATP levels in the cytoplasm
D)low oxygen concentration around the cell
E)low levels of protein kinase in the cell

Question

Quizplus · Accepted Answer

Reducing the Ca2+ concentration in the cytosol requires the activity of Ca2+ pumps that require ATP as an energy source. Insufficient ATP levels in the cytoplasm can therefore prevent the reduction of Ca2+ concentration.

Which of the Following Is the Best Explanation for the Inability