Which change to one of the kits would make it useful for modeling proteins? a. Set 1, add a box for phosphorous (P) atoms. b. Set 2, add a box for sulfur (S) atoms c. Set 3, replace the box of phosphorous (P) atoms with a box of sulfur (S) atoms d. Set 4, replace the box of oxygen (O) atoms with a box of nitrogen atoms (N)

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Explain the significance of meiosis in sexual reproduction

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