phosphodiester bond

noun

Medical Definition of phosphodiester bond 

: a covalent bond in RNA or DNA that holds a polynucleotide chain together by joining a phosphate group at position 5 in the pentose sugar of one nucleotide to the hydroxyl group at position 3 in the pentose sugar of the next nucleotide

called also phosphodiester linkage

Learn More about phosphodiester bond

Share phosphodiester bond

Comments on phosphodiester bond

What made you want to look up phosphodiester bond? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an open space surrounded by woods

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!