You have generated antibodies that recognize the extracellular domain of the Ca2+-pump.Adding these antibodies to animal cells blocks the active transport of Ca2+ from the cytosol into the extracellular environment.What do you expect to observe with respect to intracellular Ca2+?
A) Ca2+-pumps in vesicle membranes keep cytosolic calcium levels low.
B) Ca2+-pumps in the endoplasmic reticulum membrane keep cytosolic calcium levels low.
C) Ca2+-pumps in the Golgi apparatus keep cytosolic calcium levels low.
D) Ca2+ concentrations in the cytosol increase at a steady rate.
Correct Answer:
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Q6: Which of the following statements about resting
Q7: Transporters, in contrast to channels, work by
A)specific
Q8: Negatively charged ions are required to balance
Q9: Although the extracellular environment has a high
Q10: Which of the following statements is TRUE?
A)Amoebae
Q12: Cells use membranes to help maintain set
Q13: Cells make use of H+ electrochemical gradients
Q14: Cells use membranes to help maintain set
Q15: Below is a list of molecules with
Q16: Which of the following occur WITHOUT coupling
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