- The nucleolus is a small, spherical, dense body in the nucleus that controls the synthesis of ribosomes.
- Chromosomes are composed of genes, which are segments of DNA coding for specific proteins.
- DNA stands for deoxyribonucleic acid and was discovered by James Watson and Francis Crick in 1953.
- The shape of DNA is a double helix, with sugar and phosphate forming the backbone and nitrogenous bases pairing inside.
- The sequence of bases in DNA determines the proteins made for the body.
- DNA is found in the nucleus and in mitochondria.
- Genes are located on chromosomes.
- A gene is a segment of DNA that codes for a particular protein.
Parent Tip: Review the logic above to help your child master the concept of nucleic acids worksheet.