The nucleus is the control center of a cell, housing DNA and coordinating cellular activities such as growth and reproduction.

In addition to listing the atomic number for each element, the periodic table also displays the element’s relative atomic mass, the weighted average for its naturally occurring isotopes on …

- [Voiceover] Here's a diagram of a eukaryotic cell. Let's look a little bit closer at the structure of one of the most important organelles in the eukaryotic cell, the nucleus. So here we have a …

Structure and function of the nucleus and ribosomes of a cell. How they work together in the production of proteins.

Mitosis is a type of cell division in which one cell (the mother) divides to produce two new cells (the daughters) that are genetically identical to itself. In the context of the cell cycle, mitosis is …

The electrons in an atom are arranged in shells that surround the nucleus, with each successive shell being farther from the nucleus. Electron shells consist of one or more subshells, and …

Introduction to the quantum mechanical model of the atom: Thinking about electrons as probabilistic matter waves using the de Broglie wavelength, the Schrödinger equation, and the …

Overview of prokaryotes (bacteria and archaea). Structural features of prokaryotic cells.

Explore the differences between plant and animal cells, their unique structures, and functions in this comprehensive review.

All cells are produced through the process of cell division, during which one cell splits into two. To divide, a cell must complete several important tasks: it must grow, copy its genetic material …