The myelin sheath is the layer of fat cells that insulates most axons and speeds up the transmission of nerve impulses.
Answer:
B
Explanation:
Storms are formed when the movement of cold and warm air currents creates extreme air pressure difference.
Answer:
Alternative splicing
Explanation:
One gene can lead to multiple proteins by the alternative splicing of the mRNA. The alternative splicing is the most common process that contributes to protein diversity at a pot-transcriptional level. This process is carried out by different combinations of including or excluding exons of the mRNA, obtaining proteins that differ in their amino acids sequence, consequently having different biological functions.
Oxygen enters the blood in the A. Bronchi.
