4.1.4—Structure of a DNA molecule: (a) two
- Syllabus
- 0610–2026–2027
- Objective
- 4.1.4
- Level
- —
4.1.4—Structure of a DNA molecule: (a) two
- Describe the structure of a DNA molecule: (a) two strands coiled together to form a double helix (b) each strand contains chemicals called bases (c) bonds between pairs of bases hold the strands together (d) the bases always pair up in the same way: A with T, and C with G (full names are not required)
ConceptIGCSE Biology