Practice It! Select the parts of a nucleotide. sugar molecule nucleus phosphate group nitrogen base square

To answer the question, we need to identify the parts of a nucleotide based on the given picture details and the options provided.Step 1: Understand what a nucleotide is.A nucleotide is the basic building block of nucleic acids like DNA and RNA. It is composed of three parts: a sugar molecule, a phosphate group, and a nitrogenous base.Step 2: Match the parts of a nucleotide to the options given.- Sugar molecule: This is one of the components of a nucleotide. In the context of nucleic acids, the sugar is specifically a pentose sugar (a five-carbon sugar).- Phosphate group: This is another component of a nucleotide. It is attached to the sugar molecule.- Nitrogen base: This is the third component of a nucleotide. It is a nitrogen-containing molecule that is attached to the sugar.Step 3: Eliminate the incorrect option.- Nucleus: This is not a part of a nucleotide. The nucleus is a cellular organelle that contains the cell's genetic material, but it is not a component of a nucleotide.Step 4: Confirm the correct options.- Pentose Sugar: This is a more specific term for the sugar molecule in a nucleotide, indicating that it has five carbon atoms.Final Answer:The parts of a nucleotide are:- Sugar molecule (specifically, Pentose Sugar)- Phosphate group- Nitrogen base