Explanation:
The 47,XXY karyotype of Klinefelter syndrome spontaneously arises when paired X chromosomes fail to separate (nondisjunction in stage I or II of meiosis, during oogenesis or spermatogenesis
Mitochondria produce ATP<span> by </span>respiration<span> and the Kreb's cycle. If you want some extra credit, the cytoplasm of a </span>cell<span> (the fluid </span>cellular<span> matrix) also </span>produces ATP<span>, but by glycolysis.</span>
The answer is through facilitated diffusion. It is then called as the transport of substances in a biological membrane from a higher concentration to a lower concentration area though carrier proteins. Hope this is the right answer and would be of help.