The formation of amino acids takes place in the cell using atoms from sugar C, H, and O. Based on the diagram, which revision should be added to this explanation?
A. The cell must destroy atoms to form an amino acid molecule.
B. Carbon atoms must replicate to form an amino acid molecule.
C. The cell must create new atoms to form an amino acid molecule.
D. Nitrogen atoms must also be available to form an amino acid molecule.

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