Answer:
The rough endoplasmic reticulum
Explanation:
The rough endoplasmic reticulum (ER) is an organelle that has the main function of producing proteins for the cell.
Antibodies are a type of protein, so they are made by the ER.
Since the immune cell can rapidly produce antibodies, it must have a significant amount of rough ER to make the proteins.
Answer:
Most people give credit to Benjamin Franklin for discovering electricity. ... In 1752, Franklin conducted his famous kite experiment. In order to show that lightning was electricity, he flew a kite during a thunderstorm. He tied a metal key to the kite string to conduct the electricity.
A rock that forms when magma hardens beneath Earth's surface is called an intrusive igneous rock.