What initiates this cell to express the specific gene into mRNA?

an active transcription factor
a chemical signal that is specific to the receptor
any hormone released by the body
a phosphorylation cascade

Organize the word parts according to where they appear in a medical term.

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

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