Answer:
The preferable option will be - D.
D. CNS and PNS
Explanation:
Multiple Sclerosis is a demyelinating disease affecting axons in the <u>CNS </u>nervous system, in contrast to Guillain Barre Syndrome, which strips the myelin sheath from axons in the <u>PNS</u> nervous system.
- Multiple sclerosis is an inflammatory disease in which our own immune system attacks our own nerve tissues and damages the central nervous system (brain and spinal cord).
- Guillain-Barre syndrome is an autoimmune disease in which our peripheral nervous system (PNS) gets affected.
Answer: F
Explanation: The alternating sequence of complementary bases is what determines traits found in organisms
Answer:
Cell is a system where each part of it performs a specific job. For every function, there is a structure present called organelle. Some organelle are responsible for the production of energy and proteins for the cell.
Some organelle is responsible for the excretion of waste material and some do the job of storage house.
When many cells combine together, tissue formed and when tissues group together form an organ and when different organs work together they form an organ system. So we can say that cell is a system.
