- A Thymine instead of uracil, like DNA
- B Deoxyribose instead of ribose as its sugar
- C Uracil instead of thymine; ribose sugar
- D A stable double-stranded helical structure
Correct answer: C. Uracil instead of thymine; ribose sugar
Explanation: RNA: ribose sugar (not deoxyribose); uracil (not thymine); usually single-stranded.
Concept context
Mendel's laws, inheritance patterns, DNA structure, and molecular biology. Core of NEET biology.
Read the full Principles of Inheritance and Variation notes →