life is the most difficult exam many people fail because they try to copy others, not realising that everyone has a different question paper
explain the structure of DNA ?
Answers
Answer:
The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five - carbon sugar ( deoxyribose ), and a phosphate group. There are four nitrogenous bases in DNA, two purines ( adenine and guanine ) and two pyrimidines ( cytosine and thymine ). A DNA molecule is composed of two strands.
Answer:
Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
Explanation:
I KNOW ITS DIFFICULT TO UNDERSTAND..
HERS MORE SIMPLE ANSWER
DNA structure and function. DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes.