No somethings only have one cell. they are called unicellular organisms.
Answer:
The cerebral cortex consists of neurons, nerve fibers and neuroglia. The cerebral cortex (neocortex) consists of six layers (in human the primitive arrangement into three layers persists only in the olfactory cortex and the cortical part of the limbic system in the temporal lobe).
Explanation:
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Number b I think is right
A. Because it has the largest land
DNA; maintain sequence of amino acids.
RNA; carry sequence of DNA from nucleolus into outer matrix to be transcripted
