Someone ansewer these i will give lots of points and mark as brainliest

A. the golgi apparatus modifies proteins and encases them in vesicles. The ribosomes determine what protein is made.
b. The rough one is studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. The smooth one is largely associated with lipid manufacture and steroid production hormone production, also has detoxification function.
c. They are all similar because of their functions in protein synthesis, and transport.
a. only red blood cells contain the protein hæmoglobin which carries oxygen around your body, and only cells in your eyes make proteins for detecting light.
b. The ribosomes, golgi bodies, and the endoplasmic reticulum. 

Afine-grained igneous rock forms as a result of slow cooling.