Answer:
RNA-Ribonucliec acid
Explanation:
RNA is a chromosome is a darkly stained structure present in the cell which carries the genetic information of the organism.
The chromosome is a condensed or packaged form of the structure formed by the condensation of a thread-like structure called chromatin which attaches at a point and gives X shaped appearance to the chromosome. This packaging is necessary for the cell as it helps transfer the long sequence of DNA during cell division.
The RNA is composed of the DNA which acts as the genetic material of the cell and the proteins which help bind the DNA in a tightly folded manner.
A. Spinal cord injury- 2. Quadriplegic
B. Traumatic brain injury - 1. Headaches
C. Knee injury - 3. Limited ability to walk and run
