Which option correctly describes the nature of nerve signals? a. nerve signals are electrical. they move along the nerve cells from the point of contact tot he spinal cord and then to the brain
b. nerve signals are mechanical. they move along nerve cells from the point of contact to the spinal cord and then to the heat.
c. nerve signals are mechanical. they move along nerve cells from the point of contact to the spinal cord and then to the brain.
d. nerve signals are electrical. they move along nerve cells from the point of contact to the spinal cord then to the heart.

Harold makes a venn diagram to him compare and contrast mitosis and meiosis. which label belongs in the region marked z? forms diploid cells creates an even number of cells includes two rounds of cell division duplicates body cells

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

What controls activities within a eukaryotic cell?