Proteins are transported around the cell in membranous vesicles. These vesicles
I. Form when a section of membrane protrudes and buds off
II. Have a layer of coat protein on the inside of the vesicle membrane
III. use their protein coat to find their target membrane
IV. Are uncoated after they reach their target.
Select the correct statements among these.

I,II

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I,III

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I,III,IV

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I,II,III

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Solution

The correct option is A I,II
From the endoplasmic reticulum, proteins are transported in vesicles to the Golgi mechanical assembly, where they are additionally handled and arranged for transport to lysosomes, the plasma film, or emission from the cell.
So, the correct option is 'I, II'.

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Similar questions

Consider the following statements and choose the correct answer.

I. Carrier proteins are needed by both facilitated diffusion and active transport and are sensitive to inhibitors that react with the protein.

II. Different types of proteins present in the membrane play a major role in both active as well as passive transport.

III. The carrier proteins needed by facilitated and active transport are specific.

IV. There is no need of energy to pump molecule against a concentration gradient in active transport.

V. Transport rate reaches the saturation point when all the active proteins are used.

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