When a substance such as sodium chloride is dissolved inwater, the ions that form become completely surrounded bywater molecules, which form structures called hydrationspheres. When the sodium salt of a fatty acid is mixed withwater, the carboxylate group of the molecule becomeshydrated but the hydrophobic hydrocarbon portion of themolecule is poorly hydrated, if at all. Using a circle torepresent the carboxylate group and an attached squigglyline to represent the hydrocarbon chain of a fatty acid, drawa picture of how fatty acids interact in water.
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.
When a substance such as sodium chloride is dissolved in
water, the ions that form become completely surrounded by
water molecules, which form structures called hydration
spheres. When the sodium salt of a fatty acid is mixed with
water, the carboxylate group of the molecule becomes
hydrated but the hydrophobic hydrocarbon portion of the
molecule is poorly hydrated, if at all. Using a circle to
represent the carboxylate group and an attached squiggly
line to represent the hydrocarbon chain of a fatty acid, draw
a picture of how fatty acids interact in water.
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