Which type of stem cell first develops in a blastocyst?
O
A. Multipotent
B. Unipotent
O
C. Totipotent
O
D. Pluripotent

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer