Question 19 of 26
How is the rough endoplasmic reticulum (ER) involved in protein production?
A. It transports mRNA sequences from ribosomes to the nucleus.
B. It stores and modifies proteins and packages them in vesicles.
C. Its ribosomes make proteins that can stay embedded in a
membrane.
D. It holds the genetic information that is transcribed into mRNA.
SUBMIT