HELP ASAP PLEASE PLEASE PLEASE. How much time is spent in each phase of the cell cycle? You will have slides of onion root tips where cells are undergoing mitosis. The slides are prepared by "fixing the cells and staining them. They are no longer dividing, but trapped in time. To determine the amount of time the cell spends in each phase, you will count the number of cells that are in observed in each phase. The total time for the cell cycle in an onion cell is 720 minutes (12 hours). To calculate the amount, this formula can be used: Number of cells in a specific phase Total number of cells counted X 720 minutes = time for specific phase.

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody