Which of the following would not trigger a feedback system

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Which of these is not a nucleotide base found in dna?