Calculate the electric fields and net force between a thymine and an adenine pair. = Calculate the electric fields and net force between a cytosine and a guanine pair.
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
The two strands for the helix-shaped DNA molecule are held
together by electrostatic forces as shown in class. Due to electron sharing, the
magnitude of the net average charge on the H and N atoms, each, is 0.2e. The
net average charge on the C and O atoms, each, is 0.4e. The distance between
any two adjacent atoms on the same molecule is 0.1nm. Since electric fields
decrease as an inverse square law, they die off quickly with distance. So, the
only fields that really contribute to any given bond are due to the 3 atoms
along the red dotted line in the class diagram (two atoms on one'molecule and
one atom on the other molecule).
Calculate the electric fields and net force between a thymine
and an adenine pair.
=
Calculate the electric fields and net force between a cytosine
and a guanine pair.
n
Consider the OHN bond in the AT
electric field be zero anywhere along the axis of this bond? If not,
explain why not. If so, find where the electric field is zero.
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