Cellular Biology

A double layer of lipids that surrounds a cell, providing a barrier and containing various proteins for transport and signaling.

Known as the "powerhouse" of the cell, this organelle generates most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.

The organelle in plant cells where photosynthesis occurs, converting light energy into chemical energy in the form of glucose.

A chemical element with the symbol O and atomic number 8. It is essential for respiration and is the most abundant element by mass in the human body.

A biological community of interacting organisms and their physical environment.

The planet we live on; the third planet from the Sun, known for its diverse ecosystems and life forms.

A disease in which cells grow and divide uncontrollably, damaging the parts of the body around them.

Deoxyribonucleic acid, a molecule that carries the genetic instructions for the development, functioning, growth and reproduction of all known organisms.

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

The process by which plants convert light energy into chemical energy to fuel their activities.

A biological community of interacting organisms and their physical environment.

Fundamental constituents of matter, smaller than atoms, from which protons and neutrons are made.

A membrane-bound organelle within eukaryotic cells that contains the genetic material.

The basic structural and functional unit of all known living organisms.

A parasitic arthropod that transmits diseases through its bite.

A channel is a configuration of protein which allow passage of water and food in and out.

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Organized or specialized structures within a living cell.

An instrument used to observe small objects

Very large number.