These nucleotides have three parts: 1) a five carbon ribose sugar, 2) a phosphate molecule and 3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil.NA nucleotides form polymers of alternating ribose and phosphate units linked by a phosphodiester bridge between the #3 and #5 carbons of neighboring ribose molecules.
Define ready: prepared mentally or physically for some experience or action; prepared for immediate use â ready in a sentence prepared mentally or physically for some experience or action; prepared for immediate use; willingly disposed : inclinedâ¦
Verb. 1. withstand-resist or confront with resistance; The politician defied public opinion; The new material withstands even the greatest wear and tear; The bridge held. defy, hold up, hold. stand firm, withstand, hold out, resist-stand up or offer resistance to somebody or something.