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¦
withstand. 1  to stand or hold out against; resist or oppose, especially successfully: to withstand rust; to withstand the invaders; to withstand temptation. 2  to stand in opposition; resist.