Nitrogenous bases are located on both stands of the DNA double helix. What is the significance of the nitrogenous bases?

Which technically is nasa developing that will astronauts reach mars

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

How do disease caused by bacteria and disease caused by viruses react to antibiotics