Which of the following help direct the movement of materials or organelles throughout the cell?Group of answer choicescytoskeletonrough endoplasmic reticulumsmooth endoplasmic reticulumcytoskeleton, and smooth and rough endoplasmic reticulumsmooth and rough endoplasmic reticulum
Question
Which of the following help direct the movement of materials or organelles throughout the cell?Group of answer choicescytoskeletonrough endoplasmic reticulumsmooth endoplasmic reticulumcytoskeleton, and smooth and rough endoplasmic reticulumsmooth and rough endoplasmic reticulum
Solution
The correct answer is "cytoskeleton, and smooth and rough endoplasmic reticulum".
Here's why:
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The cytoskeleton: This is a network of fibers that organizes structures and activities in the cell. It provides a structural framework for the cell and is involved in cell movement and division. It also provides a track along which vesicles move through the cell.
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The smooth endoplasmic reticulum: This is involved in the synthesis of lipids, metabolism of carbohydrates, detoxification of drugs and poisons, and storage of calcium ions.
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The rough endoplasmic reticulum: This is involved in the synthesis of proteins. Ribosomes attached to the rough ER synthesize proteins, which are then sent to the Golgi apparatus for further processing and sorting.
So, all three of these structures - the cytoskeleton, and the smooth and rough endoplasmic reticulum - are involved in directing the movement of materials or organelles throughout the cell.
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