Animal cells contain dna enclosed in the nucleus
Answer:
thus buds that eventually grow into arms and legs are formed in 1st month of pregnancy
Answer:
25%
Explanation:
adenine and thymine are base pairs so there will be an equal amount of adenine to thymine.
<span>Nucleotides are made of a pentode sugar, a phosphate and a nitrogen base. Nucleotides are the building blocks of nucleic acids DNA and RNA which serve as the cell's store house of genetic information. All nucleotides are composed of three parts: a five-carbon sugar, a phosphate and a nitrogen-rich structure called a nitrogenous base. The sugar can be ribose which is found in RNA, or deoxyribose which is found in DNA. The only difference between these two sugars is that deoxyribose has one fewer oxygen atom than ribose.</span>