For the given question above, the best answer would be both make it possible for the conditions in the interior to be different from the conditions outside.
Hope this helped (:
Answer:
This is the endoplasmic reticulum.
Chloroplast and Chlorophyll a & b, Carotenoids , xanthophylls & phycobilins,
Oswald Avery in 1944 discoveries DNA was responsible for storing and passing information throughout generations