Acid rain is mostly a problem in the A. Northern hemisphere
B. Southern Hemisphere
C. Eastern United States
D. Southern part of Europe

What is the chance of two parents with blood types ab and o producing an offspring with blood type o a.0% b.25% c.75% d.50%

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

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