Answer:
separate or unzip the two strands of the double helix.
Explanation:
Mark as brainslist. Hope this helps.
<u>"</u><u><em>False" because the pure substances are made up of single elements or compounds.</em></u><u> </u>Hope this helps! Thank you for posting your question at here on Brainly. Have a great day! -Charlie
Answer: The nodes of Ranvier
Explanation: The speed of impulse conduction along an axon are increased by this.
