Answer: Option A "Choroid plexus".
Explanation:
Cerebrospinal fluid can be defined as the fluid that is found in the brain and spinal cord of human beings. It is a clear and colorless fluid.
The production of cerebrospinal fluid takes place by the specialized ependymal cells that lies in the choroid plexuses which is present in the ventricles of brain.
The amount of cerebrospinal fluid in a day is 500mL. This fluid acts as cushion that protects the brain from mechanical and immunological protection.
Hence, the correction answer is option A
False. Rosalind Franklin, Maurice Wilkins, James Watson, and Francis Crick found out the actual structure of the DNA molecule by x-rays and research.
Hope this helps.
Answer:
Commenting so you can give the other dude Brainliest. answer is correct :)
D: a nucleus
the prokaryote cell has no nucleus and for that matter no other membrane bound organelle
