What are the main components of a nucleotide?Select all that apply.phospholipidsugarnitrogenous baseDNAoxygenphosphate

To answer the question regarding the main components of a nucleotide, it's important to identify and understand what constitutes a nucleotide. A nucleotide is the basic building block of DNA and RNA, and it contains three main components:

1. Sugar: The sugar in a nucleotide is either ribose (in RNA) or deoxyribose (in DNA).
2. Nitrogenous Base: Nucleotides have one of four nitrogenous bases: adenine (A), guanine (G), cytosine (C), or thymine (T) for DNA, and uracil (U) instead of thymine for RNA.
3. Phosphate Group: Nucleotides contain a phosphate group that typically includes one phosphate atom bonded to four oxygen atoms.

Components Present in the Options:

• Sugar: Yes, it is a component of a nucleotide.
• Nitrogenous Base: Yes, it is a component of a nucleotide.
• Phosphate: Yes, it is a component of a nucleotide.
• DNA: No, DNA is a polymer made up of many nucleotides, not a component of a single nucleotide.
• Oxygen: No, oxygen is part of the phosphate group and sugar, but it is not a standalone component of a nucleotide.
• Phospholipid: No, phospholipids are components of cell membranes, not nucleotides.

Conclusion:

The correct components of a nucleotide from the options provided are sugar, nitrogenous base, and phosphate.