Nerve impulses are caused by Potassium (K+) and Sodium (Na+) ions that are located inside and outside of the cell. The structure of the cell membrane is permeable to Potassium but are highly impermeable to Sodium ions. These impulses are transmitted from one nerve cell to the other in very fast series.
Answer:
Ribosomes are parts of cells that manufacture proteins with instructions from the nucleic acid in the nucleus. The proteins are used as building blocks for things in the cell, and outside in a multicellular organism.
Answer:
A
Explanation:
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