共价闭合环状dna的英文

ccc dna covalent closed circular dna covalently closed circular dna

cccdna

covalent closed circle dna

covalently closed circular dna

• 共价:    covalence
• 闭合:    close; shutting; s ...
• 环状:    cyclic annular; ri ...
• dna:     DNA ＝ 1.deox ...