Who coined the term 'plasmid" for extrachromosomal hereditary determinants ?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Plasmids**: Plasmids are defined as extra-chromosomal DNA found primarily in bacteria. They are distinct from chromosomal DNA and can replicate independently within the bacterial cell.

2. **Functions of Plasmids**: Plasmids carry specific genes that can confer various advantages to bacteria. For example, they may contain genes responsible for nitrogen fixation, fertility factors, and antibiotic resistance.

3. **Coining of the Term**: The term "plasmid" was first introduced by a scientist named Joshua Lederberg. He identified and named these extra-chromosomal hereditary determinants.

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