세포 내에서 염색체와 별개로 존재하며 스스로 복제할 수 있는 작은 고리 모양의 DNA 분자.
A small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA and can replicate independently, commonly found in bacteria.
예문:
"The plasmid was engineered to express a fluorescent protein."
"Bacteria can transfer plasmids to each other through a process called conjugation."
"Scientists use plasmids as tools to clone and manipulate specific genes."