The diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein?

Which of the following is an oxidation-reduction reaction? (pictured below)

How do accessory pigments chlorophyll?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.