Cells Notes Flashcards
(21 cards)
the basic unit of structure and function in an organism
cell
Used a microscope to discover cells
Robert Hooke
Microscope
tool used to magnify or enlarge small things
All organisms are made up of one or more cells.
Cell theory
a tiny structure in the cell that performs a function
Organelle
directs all cell activities (similar to the brain of the cell)
Nucleus
Makes ribosomes
Nucleolus
contains DNA (genetic material that are the instructions for the cell)
Chromation
surrounds the Nucleus
Nuclear Membrane
selectively permeable membrane meaning it only lets specific materials move in and out of the cell
Cell membrane
gel-like material inside the cell
- cytosol is part of the cytoplasm
cytoplasm
moves material around in the cell
Endoplasmic Reticulum (ER)
make proteins and translate messages
Ribosomes
the packaging organelle
Golgi Bodies
powerhouse of the cell because it breaks down food molecules and releases energy
Mitochondria
Storage in the cell
vacuole
digest wastes and worn-out cell parts, “cleans” the cell
Lysosomes
contain a chemical called chlorophyll (absorbs the sun’s energy & makes the plant green) and allows the plant to make food for itself
Chloroplasts
outer boundary of plant cell, rigid & tough, provides support and shape
-made of cellulose
Cell Wall
Cells that do not have a nucleus, usually unicellular
Prokaryotic
Cells contain a nucleus and other organelles
Eukaryotic
