Answer:Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.
Answer:
Permeability of plasma membrane is the rate of passive diffusion molecules across the biomembrane.
The correct answer is Sideways.
Answer:
E) The reverse reaction (breakdown of EA to E+A) was favored, slowing the V max .
