Which of the following statements characterizes an excitatory neuron? it sends an impulse back to the cell body of a neuron. it carry an impulse to the next neuron. it stops the passage of an impulse at a neuron.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium

Veronica and her little sister, monique, are playing on a seesaw. if veronica weighs 75 pounds, and monique weighs 60 pounds, which statement is true?

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо