Podcast
Questions and Answers
What is the primary function of intracellular calcium?
What is the primary function of intracellular calcium?
- Regulating neurotransmission
- Promoting proliferation (correct)
- Maintaining metabolism
- Controlling apoptosis
Which process does calcium ion (Ca2+) NOT regulate?
Which process does calcium ion (Ca2+) NOT regulate?
- Fertilization
- Necrosis
- Metabolism
- Oxygenation (correct)
How do cells regulate their intracellular calcium concentration ([Ca2+]i)?
How do cells regulate their intracellular calcium concentration ([Ca2+]i)?
- By using ATPase to expel Ca2+ across the plasma membrane (correct)
- By increasing plasma membrane permeability
- By decreasing the number of intracellular Ca2+ stores
- By decreasing the concentration of Ca2+ buffers
What is one of the advantages of the large inward gradient of calcium?
What is one of the advantages of the large inward gradient of calcium?
Which mechanism is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
Which mechanism is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
Which mechanism allows cells to expel Ca2+ across the plasma membrane?
Which mechanism allows cells to expel Ca2+ across the plasma membrane?
What is one of the disadvantages of the large inward gradient of calcium?
What is one of the disadvantages of the large inward gradient of calcium?
Which organelle serves as a non-rapidly releasable intracellular Ca2+ store?
Which organelle serves as a non-rapidly releasable intracellular Ca2+ store?
What is the primary function of intracellular Ca2+ buffers?
What is the primary function of intracellular Ca2+ buffers?
What is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
What is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
Which process is NOT directly regulated by calcium ion (Ca2+)?
Which process is NOT directly regulated by calcium ion (Ca2+)?
What is one of the disadvantages of the large inward gradient of calcium?
What is one of the disadvantages of the large inward gradient of calcium?
Which mechanism allows cells to expel Ca2+ across the plasma membrane?
Which mechanism allows cells to expel Ca2+ across the plasma membrane?
What is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
What is responsible for setting up and maintaining the gradient of intracellular calcium concentration?
What is the primary function of intracellular Ca2+ buffers?
What is the primary function of intracellular Ca2+ buffers?
