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Molecular Genetics Integrated Science › View
What is this molecule? What does it do?
A. mRNA; carries the message from DNA to ribosome
B. tRNA; transfers the amino acids to the polypeptide chain
C. rRNA; reads the message from the mRNA
The Cell › View
The endoplasmic reticulum (ER) is an extensive network of tubules or channels that extends most everywhere in the cell, from the nucleus to the plasma membrane.
What is the function of the Endoplasmic Reticulum (ER)?
A. produces energy
B. functions in the collection, packaging
C. catalyse the breakdown of proteins
D. the transportation of materials throughout the cell