2. What are nucleotides? What makes up a nucleotide? 3. Why is DNA replication said to be semi-conservative?

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

Wich level of organization includes all the other levels or organizations

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale