If you need to file a tax return, you should. Youâll still owe the taxes, whether or not you file. You should file your return on time, with or without a payment â the IRS can charge penalties for filing late.f you can pay the full amount now. You can pay with an electronic funds transfer or with a credit or debit card, or with a check by mailing it to the address listed on your bill or bringing it to your local IRS office.
Eukaryotic cells have evolved an endomembrane system, containing membrane-bound organelles involved in transport. These include vesicles, the endoplasmic reticulum, and the Golgi apparatus. The smooth endoplasmic reticulum plays a role in lipid biosynthesis, carbohydrate metabolism, and detoxification of toxic compounds.
Endosymbiosis. The similar DNA structure in mitochondria and chloroplasts is explained by the theory of endosymbiosis, which was originally proposed by Lynn Margulis in her 1970 work The Origin of Eukaryotic Cells.. According to Margulis's theory, the eukaryotic cell came from the joining of symbiotic prokaryotes.itochondria and chloroplasts are organelles found in eukaryotic organisms (e.g. organisms with a nucleus).