Science Flashcards
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Cells
basic structural, functional, and biological unit of all known organisms
Nucleus
The central region of an atom
Cell membrane
barrier between the inside of a cell and the cell’s environment
Chloroplast
A cellular structure that captures energy from sunlight
Organelle
one of the small bodies in a cell’s cytoplasm
Prokaryote
a single-celled organism that does not have nucleus or membrane bound organelles
Tissue
distinct type of material that animals and plants are made of
Organ
a part of an organism that is typically self-contained
Organ system
group of organs that work together
Organism
single-celled life form
Cytoplasm
The cells fluid and all of its contents
cell wall
A rigid structure that surrounds the cell membrane
Mitochondria / Mitochondrion
the cell organelle that is surrounded by two membranes
Golgi complex
cell organelle that helps make and package materials
Endoplasmic reticulum
a system of membranes
Ribosome
Cell organelle composed of RNA and protein
Lysosome
a cell organelle that contains digestive enzymes
Vacuole
The organelle that stores water and materials
Structure
the arrangements of parts in an organism
Prokaryote
a single-celled organism that does not have nucleus or membrane bound organelles
