These are passageways in the cell that carry proteins and other materials from one part of the cell to another.

STRUCTURE AND FUNCTION OF THE CELL

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Golgi Body
B	Endoplasmic Reticulum
C	Ribosome
D	Nucleolus

Explanation:

Detailed explanation-1: -endoplasmic reticulum: A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Detailed explanation-2: -A maze of passageways called the endoplasmic reticulum carries proteins and other materials from one part of the cell to another.

Detailed explanation-3: -Endoplasmic Reticulum (E.R.)-Passageways that carry proteins, etc. from one place to another. Hollow tubular structures that travel around the cytoplasm.

Detailed explanation-4: -Transport into the endoplasmic reticulum (ER) is the crucial step in the biosynthesis of most secretory proteins and many membrane proteins. The products of the SIL1, SEC62 and SEC63 genes act in concert with the SEC61 complex and the molecular chaperones BiP and GRP170 to transport proteins into the ER.

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