Unit 2.1 Vocabulary Flashcards

Front

Molecule

Back

The smallest unit of a chemical compound that can take part in a chemical reaction.

Front

Organisms

Back

Individual living entities that can react to stimuli, reproduce, grow, and maintain homeostasis.

Front

Organ system

Back

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

Front

Organs

Back

Structures composed of different tissues that perform specific functions within an organism.

Front

Tissue

Back

Groups of cells that have a similar structure and act together to perform a specific function.

Front

Cell

Back

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

Front

Organelle

Back

Specialized subunits within a cell that have specific functions.

Front

Macromolecule

Back

Large complex molecules, such as proteins, nucleic acids, carbohydrates, and lipids.

Front

Prokaryote

Back

Single-celled organisms that lack a nucleus and other membrane-bound organelles.

Front

Eukaryote

Back

Organisms whose cells have a nucleus enclosed within a nuclear envelope.