Introns because they are coding sequences.
Exons because they are non-coding sequences.
D. There is not a point where the car doesn't move because the line didn't go flat at all so the car kept moving.
C. The velocity is postive
B.The average velocity is 50m/2sec
A.The graph tells us that the car didn't stop moving and the car didn't make kept moving forward it didn't go back
Answer:
Synthetic fibers are made from synthesized polymers of small molecules.
Explanation:
The compounds that are used to make these fibers come from raw materials such as petroleum based chemicals or petrochemicals. These materials are polymerized into a chemical that bonds two adjacent carbon atoms.
In capillaries, the outer tunics of smooth muscle cells are absent and only the endothelium is present. Capillaries are often invested in pericapillary contractile cells called pericytes. The layer of endothelial cells is a type of epithelium and is bounded at its outer surface by a basement membrane.