Structure of DNA

Question 1

Describe the structure of DNA?

Answer 1

Structure of DNA - nucleotides (deoxyribose sugar, phosphate and base), sugar-phosphate backbone, base pairing (adenine - thymine and guanine - cytocine) by hydrogen bonds and double stranded antiparallel structure, with deoxyribose and phosphate at 3’ and 5’ ends of each strand respectively, forming a double helix.

Question 2

Describe what is meant by the term genetic code?

Answer 2

The nucleotide base sequence of the DNA molecule forms the genetic code