Question

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. Flattened, hollow folds and sacs of endoplasmic reticulum are called cisternae.
a. TRUE
b. FALSE

Answer 1

true

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Step-by-step explanation:

Answer 2

The answer is A . True because the ER is a network membranes that from hollow tubes flattened sheets , and round sacs . These flattens , hollow folds and sacs are called cisternae.