Question

(er) are involved in synthesizing proteins that are transported and used in other parts of the cell or even outside the cell. what happens to the proteins synthesized by the endoplasmic reticulum (er) ribosomes? they are transported and used elsewhere. they are quickly absorbed into the nucleus. they slowly dissolve into the cytoplasm.

Explanation:

The text above the image states that ER - involved proteins are transported and used in other parts of the cell or outside the cell. This directly matches the first option.

Answer:

They are transported and used elsewhere.