Answer:
The inward flow of sodium ions increases the concentration of positively charged cations in the cell and causes depolarization, where the potential of the cell is higher than the cell's resting potential. The sodium channels close at the peak of the action potential, while potassium continues to leave the cell.
Explanation:
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Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
<span>Teleromes provide a protective cap on the ends of linear chromosomes and are atypical to most prokaryotes, which are circular chromosomes. Teleromes also function as the gatekeepers to prevent topoisomerase enzymes from sliding out of the dna double-helix.</span>
A testable question is B. If a plant is turned upside down, which way will the roots grow?
The other options are incorrect because you cannot create some kind of experiment to prove them right or wrong.
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