B. Coding sequences that regulate gene expression
If I’m not mistaken, A & C is intron.
Answer: B. S cycle
Explanation: The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA.
Answer:
D. Acidification, increasing the pH of the ocean
Answer: Secondary growth is the outward growth of the plant, making it thicker and wider. Secondary growth is important to woody plants because they grow much taller than other plants and need more support in their stems and roots. Lateral trimester are the dividing cells in secondary growth, and produce secondary tissues.
Explanation:
Myelin improves the speed of the neural impulse