A person has a non-normal set of sex chromosomes but is obviously female. Her cells show two Barr bodies. Which condition accounts for these observations?

XXX

XXY

XYY

XO

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

Electrons are transferred to ferredoxin.

Coronary artery disease, hypertension, liver failure