If the operator of the trp operon is mutated so that the trp repressor protein cannot bind, TrpA would be expressed when tryptophan is present in the cell?

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

Which enzymes break down carbohydrates?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit