Balance the equation:
cd + h2so4→ __cdso4 + h2

a. 1
b. 2
c. 3
d. 4

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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

Crossing over is a method of (blank)?