the.com/mitochondrial matrix
the soupy inner sanctum where sugar's ghost gets interrogated for every last electron.
means the fluid-filled space inside the mitochondrion's inner membrane, packed with enzymes that run the citric acid cycle and feed electrons to the powerhouse machinery.
from from latin matrix meaning womb or source, because this is literally where the cell gestates the raw materials for energy production before the inner membrane cashes them in.
own dnaholds its own circular dna, separate from the nucleus
protein densityso packed with enzymes it behaves almost like a gel
ancestryechoes the cytoplasm of an ancient engulfed bacterium
ph swingstays notably less acidic than the intermembrane space next door
for instance
citric acid cycle — runs entirely inside the matrix, turning acetyl-coa into nadh, 8 steps per turn
mitochondrial ribosomes — translate matrix-resident mtdna into 13 essential proteins
pyruvate dehydrogenase complex — sits in the matrix converting pyruvate into acetyl-coa before the cycle even starts