Plant cells have a rigid cell structure. They are made up of a cell wall, cell membrane, cytoplasm, vacuole, nucleus, and chloroplasts. Plants feel firm because of their cellular walls.

In fact, the mere presence of a nucleus is considered one of the defining features of a eukaryotic cell. This structure is so important because it is the site at which the cell's DNA is housed and ...

A mutation that causes an amino-acid substitution in a channel called CNGC15 in the plant cell’s nucleus boosts the ... because their structure, function and regulation are intricately ...