The Cell System

These flashcards cover key vocabulary and concepts from the lecture on the cell system.

Cell

The smallest unit of life.

Unicellular

Organisms that consist of one cell.

Multicellular

Organisms that consist of many different numbers and types of cells.

Specialized cells

Cells that look and act differently based on their job.

Tissues

Groups of specialized cells working together to perform a specific job.

Organs

Groups of tissues working together to perform a specific job.

Organ systems

Groups of organs working together to perform particular jobs.

Cell membrane

Outer covering of a cell that regulates what enters and leaves the cell.

DNA

Hereditary material contained within a cell.

Organelles

Smaller structures within a cell that perform specific functions.

Cytoplasm

Fluid that fills the cell and suspends organelles.

Mitochondria

The powerhouse of the cell where energy is created.

Ribosome

Structures that connect amino acids to build proteins.

Golgi body

Gathers and packages molecules into more complex forms.

Vacuole

Storage bin for food, water, and waste materials.

Smooth endoplasmic reticulum

Involved in the creation of lipids and hormones.

Lysosome

Enzyme used to digest food and remove cell waste.

Chloroplast

Organelles that convert light energy into sugar through photosynthesis (unique to plant cells).