Which two sharks are most closely related?
a) winghead and bonnethead
b) great white shark and hammerhead
c) bullhead and hammerhead
d) bonnethead and hammerhead

What came first the elephent or the crocodile

Crossing over is a method of (blank)?

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament