The subatomic particle with the least mass is the electron
The size of plasmids ranges between 1 and 200 kbp (kilo-base pairs) and a DNA fragment that can be inserted into a plasmid vector is up to 20 kbp. Artificially constructed plasmids are often used as vectors in genetic engineering to clone and amplify (or express) particular genes.
It is not A because: fungi are decomposers rather than producers.
It is B--both do have cells with cell walls.
Not C because: plants reproduce through pollination of flowers.
Not D because: neither have multiple nuclei in a single cell.