NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of the rough endoplasmic reticulum?
A
to make energy
B
modify and transport proteins made by the ribosomes on it
C
store water and other vital molecules
D
to make new membranes and neutralize toxins
Explanation: 

Detailed explanation-1: -The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.

Detailed explanation-2: -Rough Endoplasmic Reticulum Function: The majority of the functions of rough ER is associated with protein synthesis. The rough endoplasmic reticulum also plays a vital role in protein folding. Also ensures quality control (regarding correct protein folding).

Detailed explanation-3: -The protein is initially modified by the addition of branching carbohydrate chains in the rough ER; these chains are then trimmed back and replaced with other branching chains in the Golgi apparatus.

Detailed explanation-4: -The function of ribosomes is protein synthesis. Thus, the endoplasmic reticulum and the ribosomes function together to produce proteins and transport them to their final destination.

Detailed explanation-5: -Explanation: The primary function of endoplasmic reticulum is the synthesis of proteins.

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