LIFE SCIENCE

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OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The proteins made in the ribosomes migrate into the tubules of the rough ER where they fold into their functional three-dimensional shapes and then are dispatched to other areas of the cell
A
Rough Endoplasmic Reticulum
B
Smooth Endoplasmic Reticulum
C
Lysosome
D
Peroxisome
Explanation: 

Detailed explanation-1: -From the RER, proteins move into a transitional region of the ER lumen, which is largely lacking in ribosomes. Some proteins, such as secretory proteins, which are released by cells, are packaged in vesicles and move to the Golgi apparatus.

Detailed explanation-2: -Due to all the ribosomes found on the RER, secretory proteins are synthesized here.

Detailed explanation-3: -In most cases proteins are transferred to the Golgi apparatus for ‘finishing’. They are conveyed in vesicles or possibly directly between the ER and Golgi surfaces.

Detailed explanation-4: -From the endoplasmic reticulum, proteins are transported in vesicles to the Golgi apparatus, where they are further processed and sorted for transport to lysosomes, the plasma membrane, or secretion from the cell.

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