Biology Questions There is a 100 word minimum for each question. Any materials used in answering the questions must be put in your own words and the reference(s) must be properly cited. 1. One strand of a single DNA helix is labeled red while the other strand of the same […]

Question: CTP differs from UTP by a single nitrogen atom in place of oxygen on the pyrimidine ring. What serves as the source of the nitrogen atom in the reaction catalyzed by CTP Synthetase? Question: Why isn’t Ribose phosphate pyrophosphokinase (i.e. the enzyme for the synthesis of phosphoribosyl pyrophosphate) considered the committed […]

1. In jimsonweed, purple flower (P) is dominant to white (p) and spiny pods (S) are dominant to smooth (s). A true breeding plant with white flowers and spiny pods is crossed to a true-breeding plant with purple flowers and smooth pods. Assuming that the genes responsible for these traits […]

Explain the etiology and genetics of disease phenylketonuria (PKU) Phenylketonuria (PKU) refers to a disease found within humans in which the affected individual does not have enzyme phenylalanine hydroxylase. This enzyme is required in order to metabolize the amino acid phenylalanine to tyrosine. When left untreated phenylalanine will be transformed […]