Compare for various signs of DNA and RNA. Identify their similarities and differences.

Similarities: at the base of DNA and RNA is five-carbon sugar, DNA is deoxyribose, RNA is ribose. They also have the same part of nucleotides: guanine, cytosine, adenine.
Differences: spatial structure, in RNA, thymine is replaced by uracil, various functions.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.