What prevents lipids from mixing with water?
a. water and lipids are both polar.
b, water and lipids are both nonpolar.
c. lipids are polar, but water is nonpolar.
d. water is polar, but lipids are nonpolar.

How is the motion of the particles of water at 80 ⁰c different from the motion of the particles of water when it is 30 ⁰c?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The idea of spontaneous generation was disproved by in a experiment involving jars of meat