What are two cells and how can we tell them apart

Which compound contain an iron with a 3+ charge

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

What occurs when a cell engulfs large food particals