Which of the following statements about Na+ - K+ ATPase is correct?
A. It is responsible for generating the resting membrane potential
B. It transports Na+ and K+ ions down their respective gradients
C. It is responsible for generating an action potential
D. It indirectly regulates the volume of the cell
Answer: Option D
Which one of the following changes occurs in a directionally migrating eukaryotic cell?
A. The ER is fragmented
B. The mitochondrial membrane potential drops
C. The nucleus moves towards the back and behind the Golgi
D. The Golgi is fragmented
A. P, Q and S only
B. P, Q and R only
C. Q, R and S only
D. P, R and S only
A. Uncontrolled proliferation of cells initiated at the metaphase of cell cycle
B. Transformation of one differentiated cell type to another
C. Cell proliferation during metamorphosis
D. A measure of metabolic activity in hyperplastic cells
A. Endoplasmic reticulum
B. Golgi
C. Mitochondria
D. Peroxisomes
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