All cells have A. an internal fluid that gives shape to the cell and supports the other things within it.

B. All of the above

C. either a central zone or a nucleus that contains the cell’s genes.

D. a covering called a plasma membrane that surrounds the cell and controls what information and materials enter and leave it.

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