Biologymedium · Past Paper
What components make up a single nucleotide of DNA?
ASugar and phosphate only
BSugar and nitrogenous base only
CPhosphate and nitrogenous base only
DSugar, phosphate, and nitrogenous base
✓ Correct Answer: D — Sugar, phosphate, and nitrogenous base
A nucleotide is the building block of DNA, consisting of a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases.
Share this question
More from Biology
- What is the probability of a woman who is a carrier for color blindness and a normal man having a color-blind daughter?
- What is 'Ecological Efficiency'?
- The phosphorus cycle is different from the nitrogen cycle because it does not involve:
- In which part of the female reproductive system does fertilization usually occur?
- The association between roots of higher plants and fungi is called: