Which is only active during a specific immune response? O A. Lysozymes
O B. Neutrophils
O C. Macrophages
O D. B cells
Help me please

What correctly describes the relationship between the earth and the sun

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Me with biology endocrine system crossword also image left i need with hw