Do oxygen molecules need to use facilitated diffusion in order to diffuse into the cell?

In sheep, the allele for belly fur (a) is dominant to the allele for no belly fur (a). a mother with the genotype aa and a father with the genotype aa produce an offspring.

Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes

To take a whiff of your favorite food, you use both? a. motor nerves and your digestive system b. sensory nerves and your immune system c. motor nerves and your skeletal system d. sensory nerves and your respiratory system