The endoplasmic reticulum (ER) is a compartment (organelle) in eukaryotic cells that consists of membrane sacs called cisternae. Because of the bound ribosomes, the 'rough' ER is the site of synthesis ...
Donald Trump has told Congress that the war in Iran has already ended, despite the president earlier issuing a fresh threat to Tehran. In a letter to House Speaker Mike Johnson, the president said: ...