Nervous system began to form in the womb of mother when the foetus is about 2 weeks !
Answer:
Answer: The combination of phosphate, sugar, and nitrogen bases in DNA or RNA is called a nucleotide.
Explanation:
Explanation: Nucleotides are building blocks of RNA and DNA. In RNA, nucleotide are made up of ribose sugar, a nitrogenous base which can be adenine, uracil, cytosine and guanine; and a phosphate group. The nucleotides in RNA are called ribonucleotides. The nucleotides in DNA are called deoxyribonucleotides and they contain a deoxyribose sugar, a phosphate group and a nitrogenous base which can be adenine, thymine, cytosine and guanine.
Answer:
a weather data are misinterpreted
Explanation: