What does a cell membrane keeps a cells

The cell membrane is the lipid bilayer that encloses the cell, and therefore the cytoplasm which in turn contains the rest of organelles we can find in a cell.

All types of cells have a cell membrane but in plant cells it is no the outermost layer, being enclosed by the cell wall. In animal cells instead, the cell membrane is the outemost layer.

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BioTeacher101

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

b. to discover aspects of the natural world.

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