Nicolaus Copernicus, Hope this helps :)
Answer:
the genetic code is being carried by the Dna molecules, which is in most organisms
The cortex which is composed of neurons and their supporting cells, and in living brain, has a gray color thus called the gray matter.
Answer:
B is sediment, and A is metamorphic, may i have brainliest
Explanation:
Voltage-regulated Na+ gates open fast and K+ gates open slowly. When Na+ enters the cell, it creates a positive feedback loop that continues to open gates
