Why is the nucleus considered the command center of the cell? a)it contains the genetic instructions for every function of the cell. b)it is the cell’s powerhouse and processes energy for the cell. c)it is the organelle present in both prokaryotic and eukaryotic cells. d)it is responsible for packaging proteins for delivery out of the cells.

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen