Which part of the neuron improves the speed of the neural impulse?

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

Across of blue x blue (both heterozygous) would result in