PABA, dihydrofolic acid, THF, purine and pyrimidine nucleotides are r correct sequence in this pathway which are involved in the biosynthetic pathway that leads to the formation of dna and rna.
The biosynthetic pathways of natural antimicrobial compounds in plants appear complex and diverse, but they are systemic. Tetrahydrofolates (THF)2 are a type of cofactor that transports and activates one-carbons for the synthesis of purines and thymidylate, as well as the remethylation of homocysteine to methionine. PABA (para-aminobenzoic acid) is a naturally occurring substance. It is frequently found in sunscreen products. PABA is also known as vitamin Bx, but it is not a true vitamin. This article discusses PABA reactions such as overdose and allergic reaction.
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