An essential amino acid that is a building block of proteins and is important for brain function.

A genetic disorder in which the body cannot properly metabolize phenylalanine, leading to a buildup of harmful substances in the…

The practice of drawing blood from a vein for diagnostic or therapeutic purposes.

A chemical compound containing phosphorus and oxygen, important in biochemistry, especially in energy transfer (e.g., ATP).

A covalent bond that connects two nucleotides in a nucleic acid, such as DNA or RNA.

An enzyme that catalyzes the conversion of phosphoenolpyruvate to oxaloacetate, important in gluconeogenesis.

An enzyme that catalyzes the conversion of phosphoenolpyruvate to oxaloacetate, involved in carbon fixation in plants.

A high-energy compound involved in glycolysis and gluconeogenesis, serving as an intermediate in metabolic pathways.

An enzyme involved in glycolysis that catalyzes the phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate.

An enzyme that catalyzes the reversible conversion of glucose-6-phosphate to fructose-6-phosphate in glucose metabolism.