Examlex
What kinds of molecules are involved in both active and passive processes of membrane passage?
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus while removing waste products from the fetus's blood.
Zygote
The fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo.
Outer Cells
Cells located on the exterior or surface layer of a biological entity, often contributing to the protection or interaction with the environment.
Fetal Alcohol Syndrome
A range of effects that can occur in an individual whose mother drank alcohol during pregnancy.
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