Question 34 Which of the following is false about the lipid rafts on the plasma membranes? The lipid rafts have an affinity for the glycophosphatidylinositol (GPI) proteins and allow them to move in and move out of the lipid rafts in a seamless fashion The lipid rafts are often rich in lipids that contain long saturated fatty acid tails The lipid rafts are often rich in glucocerebroside, sphingomyelin, and cholesterol O They have a high affinity for Phosphoinositol 4, 5-bisphosphate (PIP2) O The lipid rafts may have prenylated and acetylated lipid anchored proteins
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.
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