Which are two animals that were studied on the Galapagos?
Snakes and elephants
Finches and turtles
Turtles and zebras
zebras and horses

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.

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis