Potatoes are specialized stems called tubers. potato tubers have two functions. (1) these thick stems are used to store food. (2) the eyes on the stems, seen here, are used to

Point of attachment for leaves and other shoot parts

Explanation:

Potato tubers are special forms of stems which are usually swollen due to the food they store. Since the potato tubers is a stem, it possesses all parts of a stem including nodes and internodes.

The nodes are the eyes of the potato which are arranged spirally around the tuber. The space between each eyes is the internode. Eyes or nodes of a potato are axillary buds which contains small buds at each site. These buds can form normally shoots (leaves) which subsequently give rise to a branch.

That's why each eyes of a potato has a leaf scar.

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

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