Biology Unit 1 Vocab

Front

Organ

Back

A part of the body that performs a specific function, such as the heart or liver.

Front

Organ System

Back

A group of organs that work together to perform complex functions, like the digestive system.

Front

Tissue

Back

A group of similar cells that perform a specific function in an organism.

Front

Molecule

Back

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

Front

Protein

Back

A molecule composed of amino acids that performs a variety of functions in the body.

Front

Carbohydrate

Back

A molecule consisting of carbon, hydrogen, and oxygen, providing energy to living organisms.

Front

Lipid

Back

A group of naturally occurring molecules that include fats, oils, and hormones.

Front

Nucleic Acid

Back

Biomolecules essential for all known forms of life, including DNA and RNA.

Front

Glucose

Back

A simple sugar that is an important energy source in living organisms.

Front

Cell Membrane

Back

The semipermeable membrane surrounding the cytoplasm of a cell.