Mitochondria: releases energy during respiration.
Ribosomes: where protein synthesis takes place.
Cell Membrane: semi-permeable - controls what goes in and out of the cell.
Chlorophyll: traps sunlight
Nucleus: controls the activities of the cell.
Cytoplasm: where most chemical reactions take place.
Cell wall: used to strengthen cell.
Chloroplasts: absorb light energy to make food.
Permanent vacuole: filled with cell sap.
- umbilical cord
- bone marrow
Undifferentiated cells capable of growing into any organ.
Ethical issues - morals - killing the embryo's
Very slow _ expensive _ may cause cancer - embryonic cell.