The axons of some vertebrate neurons are wrapped with special cells called Schwann cells, as shown below. Which type of signal jumps from node to node between the Schwann cells to move down the axon? 1. a digital pulse

2. an electrical system

3. a magnetic pulse

4. a glycoprotein signal

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

What is a dendrite and what does it do?

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.