Processing the check is IRS's responsibility. If they accepted your check, but do not process it, it is their fault. Once they accept your check, your end of the deal has ended. A while back, I got a notice that I did not pay my state tax.
1 The xiphoid process (Latin: processes xiphoideus) is a small triangular cartilaginous extension of the breastbone.
Cell Division and Growth. Haploid cells are a result of the process of meiosis, a type of reductional cell division in which diploid cells divide to give rise to haploid germ cells or spores. During meiosis, a diploid germ cell divides to give rise to four haploid cells in two rounds of cell division. This process does not occur in organisms (example bacteria) that reproduce via asexual processes like binary fission. Haploid cells being produced via the process of meiosis.