Water vapor in the air can be high or low, depending on your location. water vapor is a
primary gas
variable gas
dependent gas
secondary gas

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

What best describes emerging scientific ideas

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