Examlex
When a cell grows, it must produce more plasma membrane material. How does the cell do this?
Heroin
An opioid drug made from morphine, a natural substance taken from the seed pod of various opium poppy plants, often used illicitly for its euphoric effects.
Blastula Stage
An early stage in the embryonic development of animals characterized by a spherical layer of cells (the blastoderm) surrounding a fluid-filled cavity (the blastocoel).
Ciliary Action
The movement of cilia, tiny hair-like structures, that help to move fluid or materials across the surface of certain cells.
Muscular Contraction
Muscular contraction is the process where muscle fibers shorten or contract, generating force and movement in the body.
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