The purple "tails" of the lipid molecules that form the cell membrane are far less orderly in the absence of cholesterol (top image) than when cholesterol is present (bottom), a finding made ...

Each component of a cell has its own function. Animal and plant cells differ and they have similarities. Nucleus, cell membrane ... fruits like apples. When they're well-watered, the vacuoles ...

These include some obvious mechanical activities such as endocytosis, cell motility and membrane resealing, but also others, such as replication and transcription. Taking the motor proteins as an ...