The name given to this portion is INTRON. Intron is a portion of the split gene that is found in pre-RNA transcript which is usually removed for degradation during RNA processing. An intron is a non-coding, intervening portion within the primary transcript and is not needed for genetic coding.
The first single celled life form appeared on earth roughly about 3.5 billion years ago
Answer:
Up and down
Explanation:
In the process of diffusion, a substance tends to move from an area of high concentration to an area of low concentration until its concentration becomes equal throughout a space.