a series of connected flattened sacs that plays
a central role in protein synthesis because it
has ribosomes attached to it and it transports
proteins.
smooth endoplasmic reticulum (ER)
the synthesis of lipids, steroid
hormoones, detoxification of harmful
metabolic byproducts and storage of
calcium ion. does not have
ribosomes.
golgi apparatus
a group of flatten disc-like
structures located close to the
ER
nucleus
contains genetic material
and controls the activity
of the cell.