Question

Match the bond/force with the correct description in nucleic acid structure. ____ bond that connect ribose...

Match the bond/force with the correct description in nucleic acid structure.

____ bond that connect ribose sugar with nitrogenous base in a nucleotide

____bond that connects two monomers (nucleotides) into a polymer (nucleic acid)

___ bond that allows A to pair with T

____ bond that holds DNA strands together in a double helix

___ interaction of ribose in water

1. covalent bond

2. hydrogen bond

3. ionic bond

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Answer #1

A nucleotide is polymer composed of three things:

1- sugar

2- Nitrogenous base

3-phosphate

-Bond between ribose sugar and nucleotide is -Covalent Bond( N Glycosidic bond)

-Bond that connect two nucleotide is - Covalent Bond (Phosphodiester bond formed between the 3'-OH group of one sugar molecule and 5' phosphate group on the adjacent sugar molecule)

-Bond that connect two nitrogenous base is Hydrogen bond

-Bond holding DNA strand together is Hydrogen bond

-ribose in water - Hydrogen bond

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