The DNA region is easily accessible
^^^^^^^^^^^^
An antigen causes the body to make antibodies.
Answer:
The correct answer is - the cytoskeleton.
Explanation:
A cytoskeleton in a cell is that appears as a dense network of whiplike fibers, tubules, and filament which maintain the shape and strength of the cell by interconnecting various cellular structure with one another.
These are made up of similar proteins in various organisms and can be found in the cytoplasm from the nucleus to the cell membrane.
Thus, the correct answer is - the cytoskeleton.
