What are the three parts of the cell theory?

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled