Dna Structure

Question 1

Role of DNA in the body

Answer 1

DNA carries genetic information - the genetic code. It has all the instructions that a living organism needs to grow, reproduce and function. DNA is passed on from parents to their offspring during fertilisation. DNA is made from four base pairs .

Question 2

Structure of dna

Answer 2

Double stranded helix
Have completarary base paires witch hold them together
Each strand has backbone of alternating sugar
Each deoxyribose has a strand of 4 bases

Question 3

4 Bases

Answer 3

Adenine-Thymine
Cytosine-Guanine

Question 4

ATCGGATGGC

Answer 4

TAGCCTACCG