Cell Cycle and Mitosis

All living organisms are made from cells, the basic unit of biology. Cells are separated from their outside environment by a lipid and protein-containing membrane. The membrane acts to exchange nutrients from the outside and waste products from the inside…
Read more

Nucleic Acid Polymerization

Nucleic acids are the vital genetic blueprint, messengers and builders of the cellular world. Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the genetic material of cells. Prior to cell division, a new copy of the DNA genome must be…
Read more

Plant Cell Walls

What differentiates plant cells from animal cells is that plant cells have a cell wall outside their plasma membrane. The cell wall protects plant cells and imparts stiffness to the plant, allowing it to grow tall. The composition of plant…
Read more