Explain how acetylation or phosphorylation could change the binding affinity between DNA and histones. proteins with many is a source of attraction between the DNA and histones because the DNA has Histones are residues. These residues have side chains under physiological pH. This When the histones become acetylated, they Therefore, they have on the DNA. Interaction between phosphorylated histones and DNA is both the histone and the DNA
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.
These are option to choose and fill.
1.
a.very acidic
b.neutral
c.very basic
2.
a.asparagine and glutamine
b.arginine and lysine
c.phenylalanine and tyrosine
3.
a.neutral
b.negatively charged
c.
d.positively charged
4.
a.negatively charged phosphates
b.positively charged phosphates
c.aromatic
d.neutral phosphoric acid groups
5.
a.lose their aromatic side chains
b.lose their positive charge
c.lose their negative charge
d.increase their positive charge
e.increase their negative charge
6.
a.more attraction to the phosphates
b.no attraction to the phosphates
c.no attraction to the aromatic groups
7.
a.not as unfavorable because
b.even less favorable because
c.comparatively favorable even though
8.
a.carry negative charges
b.carry positive charges
c.are neutral
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