The molecular structures and processes of cellular life and their roles in the function, reproduction, and development of living organisms.

- The Central Dogma of Life
- Cell Organelles

Molecular and Cellular Biology

There are many types of macromolecules such as: 

- carbohydrates
- lipids
- proteins
- nucleic acids

Types of Macromolecules

Georgetown University

Calvin College

A large molecule that is composed of monomers. 

Polymer

- Atom
- Molecule
- Macromolecule
- Cell
- Tissue
- Organ
- Organ system
- Organism
- Population
- Community
- Ecosystem
- Biosphere / Ecosphere

Traditional Biological Organisation Scheme

The smallest piece of a chemical element or ordinary matter

Atom

Evans, D., &amp; Watkins, S. (2019, September 19). Polymers: From DNA to rubber ducks. Curious. https://www.science.org.au/curious/everything-else/polymers. 

Polymers: from DNA to rubber ducks

Relatively smaller molecules that link to form polymers. Monomers bond together through covalent bonding.

Monomer

Types of Polymers

Molecule 

The cell is the fundamental unit of life. While cells vary significantly in size, shape, structure, and function—categorized primarily into prokaryotic and eukaryotic cells—they all share a few fundamental components at their simplest level of construction. The internal structures of a cell are analogous to the organs inside a human body, with unique components suited to specific functions.

Cell

Tissue

A group of tissues with a similar function

Organ

A group of organs that work together to execute one or more functions.

Organ system

Any living thing that functions as a singular entity

Organism 

A group of organisms that are (1) the same species (2) in a shared geographical area, and (3) able to interbreed

Population (Biology)

Groups of populations of different species that interact with each other.

Community (Biology)

An ecosystem describes the interactions between groups of organisms from all biological domains and nonliving things in a shared geographical space.

Ecosystem

All life on Earth (the sum of all ecosystems on earth)

Biosphere / Ecosphere

Isotopes differ based on anatomic weights and numbers of neutrons in the nucleus. They can be stable and unstable elements. 

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